We just lately acquired Supermicro’s dual-socket Turin-based A+ Server AS-2126HS-TN for assessment. It’s a 2U platform designed to assist extraordinarily high-core-count workloads and to supply versatile PCIe enlargement. Constructed round and supporting twin AMD EPYC 9005 (Turin) and 9004 (Genoa) collection processors, the system targets a broad vary of enterprise and information middle use circumstances, together with virtualization, software-defined storage, AI inference and machine studying, cloud computing, enterprise server consolidation, and high-performance computing (HPC).
The AS-2126HS-TN helps a number of PCIe slot configurations, permitting deployments to prioritize both accelerator density or I/O flexibility. Relying on configuration, the platform might be populated with as much as 4 PCIe 5.0 x16 slots, as much as eight PCIe 5.0 x8 slots, or blended layouts to accommodate GPUs, high-speed networking, and storage controllers. This modular method allows the system to adapt to compute-dense, I/O-heavy, or accelerator-focused workloads with out requiring modifications to the underlying chassis.
To guage the platform, we ran the AS-2126HS-TN by our enterprise testing stack, specializing in CPU-intensive workloads that replicate real-world deployment situations. Our testing emphasizes sustained multithreaded efficiency, reminiscence conduct, and platform-level effectivity, offering perception into how Supermicro’s Turin-based design performs underneath demanding enterprise and HPC situations.
Supermicro AS-2126HS-TN Specs
The desk beneath outlines the {hardware} specs of the Supermicro AS-2126HS-TN, offering an outline of its platform design, compute capabilities, enlargement choices, and energy and cooling traits.
| Specification | Supermicro A+ Server AS -2126HS-TN |
|---|---|
| System Overview | |
| Product SKU | A+ Server AS -2126HS-TN |
| Motherboard | Tremendous H14DSH |
| Type Issue | 2U Rackmount |
| Chassis Mannequin | CSE-HS201-R000NFP |
| Processors | |
| CPU Help | Twin processor(s); AMD EPYC™ 9005/9004 Sequence Processors |
| Max Core Rely | As much as 384C / 768T |
| Max CPU TDP | Helps as much as 500W TDP CPUs* |
| CPU Cooling Observe | Air-cooled CPUs with a TDP over 400W are solely supported underneath particular situations. |
| GPU & Acceleration | |
| Max GPU Rely | As much as 3 double-width GPUs |
| Supported GPUs (PCIe) | NVIDIA: H100 NVL, RTX 6000 Ada Technology, L4 AMD: Intuition™ MI210 |
| GPU-GPU Interconnect | PCIe |
| Reminiscence | |
| DIMM Slots | 24 DIMM slots |
| Max Reminiscence (1DPC, EPYC 9005) | As much as 6TB ECC DDR5 RDIMM @ 6400MT/s |
| Max Reminiscence (1DPC, EPYC 9004) | As much as 6TB ECC DDR5 RDIMM @ 4800MT/s |
| Reminiscence Voltage | 1.1V |
| Onboard Units & Networking | |
| Chipset | System on Chip |
| Community Connectivity | Through AIOM (AOC choices accessible) |
| BMC / IPMI | IPMI 2.0 with digital media over LAN and KVM-over-LAN assist |
| Enter / Output | |
| LAN (BMC) | 1 RJ45 1GbE devoted BMC LAN port |
| USB | 2 × USB 3.0 (rear) |
| Video | 1 × VGA |
| TPM | 1 TPM onboard / port 80 |
| BIOS | |
| BIOS Sort | AMI 64MB SPI Flash EEPROM |
| BIOS Options | Plug and Play (PnP); UEFI 2.8; USB keyboard assist; ACPI 6.5; SMBIOS 3.7 or later |
| Administration | |
| Software program / Instruments | SuperCloud Composer®; Supermicro Server Supervisor (SSM); Tremendous Diagnostics Offline (SDO); KVM with devoted LAN; IPMI 2.0; Supermicro Skinny-Agent Service (TAS); SuperServer Automation Assistant (SAA); IPMIView |
| Energy Configurations | ACPI/APM energy administration; power-on mode management for AC energy loss restoration; energy button override mechanism |
| Safety | |
| {Hardware} Safety | TPM 2.0; Silicon Root of Belief (RoT) – NIST 800-193 compliant |
| Safety Options | Cryptographically signed firmware; Safe Boot; Safe firmware updates; Automated firmware restoration; Provide chain safety (distant attestation); Runtime BMC protections; System lockdown |
| PC Well being Monitoring | |
| Fan Monitoring | Tachometer monitoring; pace management standing; PWM fan connectors |
| Temperature Monitoring | CPU & chassis atmosphere monitoring; thermal management for fan connectors |
| Voltage / Sensors | System temp; Reminiscence temp; CPU temp; 3.3V standby; +5V standby; +5V; +3.3V; +12V; CPU thermal journey assist |
| Entrance Panel | |
| LED Indicators | HDD exercise; LAN1 exercise; Energy standing; System info |
| Buttons | Energy On/Off; UID |
| Growth & Interconnect | |
| PCIe Slot Configuration | Possibility A*: 4 × PCIe 5.0 x16 FHFL double-width slots; 1 × PCIe 5.0 x16 AIOM (OCP 3.0 suitable) Possibility B*: 8 × PCIe 5.0 x8 (in x16) FHFL slots; 1 × PCIe 5.0 x16 AIOM (OCP 3.0 suitable) *Requires extra components; see optionally available components checklist. Consult with system callout photographs for particulars. |
| CXL Help | As much as 4 CXL 2.0 x16 units |
| Storage | |
| Drive Bays (Default) | Whole 8 bays; 8 entrance hot-swap 2.5″ NVMe*/SATA* drive bays |
| Drive Bays (Possibility A) | Whole 24 bays; 24 entrance hot-swap 2.5″ NVMe*/SATA* drive bays |
| M.2 | 2 × M.2 PCIe 3.0 x4 NVMe (M-key 2280/22110) |
| Storage Observe | NVMe/SATA assist might require extra storage controller and/or cables |
| Cooling | |
| Followers | As much as 6 counter-rotating 60×60×56mm followers |
| Air Shroud | 2 air shrouds |
| Energy | |
| Energy Provide Choices | 2× 1200W / 1300W / 1600W / 2000W / 2600W (varies by configuration) |
| Included / Listed PSU | 2× 2000W redundant (1+1) Titanium stage (96%) |
| PSU Dimensions (W×H×L) | 73.5 × 40 × 265 mm |
| Enter (varies by PSU) | 1000W: 100–127Vac / 50–60Hz 1800W: 200–220Vac / 50–60Hz 2700W: 200–240Vac 1980W: 220–230Vac / 50–60Hz 2000W: 220–240Vac / 50–60Hz (UL solely) 2000W: 230–240Vac / 50–60Hz 2000W: 230–240Vdc / 50–60Hz (CQC solely) |
| +12V Rail (varies by enter) | Max 83A (100–127Vac) / Max 150A (200–220Vac) / Max 225A (200–240Vac) Max 165A (220–230Vac) / Max 166A (230–240Vac) |
| 12V SB | Max 3.5A / Min 0A |
| Output Sort | Backplanes (gold finger) |
| Dimensions & Weight | |
| Peak | 3.5″ (88.9 mm) |
| Width | 17.2″ (437 mm) |
| Depth | 31.74″ (806.2 mm) |
| Package deal (H×W×D) | 9.96″ × 26.46″ × 43.31″ |
| Weight | Gross: 75 lbs (34 kg); Internet: 45 lbs (20.5 kg) |
| Accessible Shade | Silver |
Supermicro AS-2126HS-TN Construct and design
The Supermicro A+ Server AS-2126HS-TN is a dense 2U dual-socket platform engineered for excessive core counts, high-TDP processors, and accelerator-heavy configurations. Its inside format follows a disciplined front-to-back airflow path that balances thermal effectivity, energy scalability, and serviceability throughout compute, reminiscence, storage, and enlargement subsystems.
Entrance Part: Storage and Air Consumption
The entrance of the chassis is designed for high-density storage and unrestricted airflow. Relying on configuration, the system helps as much as 8 or 24 NVMe drive bays, offering direct PCIe connectivity for high-performance storage workloads. These bays are positioned forward of the principle airflow path, making certain cool consumption air is evenly distributed earlier than reaching the compute and enlargement zones.
This format permits storage to function independently of CPU and accelerator thermals, sustaining constant efficiency underneath sustained I/O load whereas minimizing airflow disruption inside the chassis.
Mid-Chassis: Cooling Structure
Instantly behind the entrance storage space is a financial institution of six hot-swap, high-performance inside followers. These followers create a straight-through cooling channel, producing adequate static stress to assist twin AMD EPYC processors with TDPs as much as 500W and a number of double-width PCIe GPUs.
Fan pace is dynamically managed by PWM connectors and monitored through onboard tachometers, with thermal insurance policies managed on the system stage. This design permits the platform to adapt cooling conduct in actual time primarily based on CPU, reminiscence, and chassis temperatures, making certain steady operation throughout a variety of workload profiles.
Compute Core: CPUs and Reminiscence
On the coronary heart of the system is the Tremendous H14DSH motherboard, which helps twin AMD EPYC 9005 or 9004-series processors. With assist for as much as 384 cores and 768 threads, the AS-2126HS-TN is positioned for extremely parallel workloads similar to virtualization, HPC, and AI inference.
The platform helps processors with TDPs as much as 500W, with air-cooled operation above 400W accessible underneath particular thermal configurations. Every processor is paired with a full set of reminiscence channels feeding 24 DDR5 DIMM slots, supporting as much as 6TB of ECC DDR5 RDIMM in 1DPC configurations. Reminiscence speeds scale with processor technology, reaching as much as 6400 MT/s with EPYC 9005 or 4800 MT/s with EPYC 9004 CPUs.
This symmetrical reminiscence format minimizes latency and ensures balanced airflow throughout all DIMMs, even in totally populated configurations.
Boot Storage and Onboard Connectivity
For working system and administration storage, the system consists of two onboard M.2 PCIe 3.0 NVMe slots, remoted from the principle NVMe backplane. This separation permits directors to dedicate entrance bays to utility or information storage whereas retaining boot media thermally and logically impartial.
Networking is dealt with by an AIOM (OCP 3.0) PCIe 5.0 x16 slot, enabling versatile community configurations with out consuming customary PCIe enlargement slots. This method preserves precious PCIe actual property for accelerators or extra storage controllers.
Growth and GPU Help
The rear half of the chassis is devoted to PCIe enlargement and accelerator assist. The AS-2126HS-TN helps as much as three double-width PCIe GPUs, making it appropriate for compute-dense deployments. Supported accelerators embrace NVIDIA PCIe GPUs such because the H100 NVL, RTX 6000 Ada Technology, and L4, in addition to AMD Intuition MI210 accelerators.
All enlargement slots are PCIe Gen 5, organized to take care of airflow clearance and mechanical stability for full-height, full-length playing cards. GPU-to-GPU communication is dealt with over PCIe, retaining the platform versatile and vendor-agnostic whereas supporting a variety of accelerator configurations.
Rear I/O and Administration
The rear I/O panel consolidates native and out-of-band administration entry. It features a devoted 1 GbE IPMI LAN port, two USB 3.0 ports, and a VGA output for direct console entry. Administration is dealt with through IPMI 2.0, with KVM-over-LAN and digital media assist built-in into Supermicro’s broader administration stack, together with SuperCloud Composer, Supermicro Server Supervisor, and IPMIView.
Energy Supply and Electrical Flexibility
Energy supply is dealt with by redundant, titanium-efficiency energy provides accessible in 1200W, 1300W, 1600W, 2000W, and 2600W configurations. This huge PSU vary permits the platform to scale from CPU-dense deployments to completely populated GPU programs with out over- or under-provisioning energy capability.
The system helps each 120V AC, 240V AC, and 48–60V DC enter choices, making it appropriate for conventional enterprise racks, high-density information facilities, and telecom environments. Built-in ACPI/APM energy administration allows managed restoration from energy loss, configurable power-on conduct, and energy button override performance. Mixed with redundant PSU design, the platform delivers each electrical effectivity and operational resilience underneath sustained load.
Safety, Monitoring, and Reliability
The AS-2126HS-TN integrates a complete safety and monitoring framework, together with TPM 2.0, Silicon Root of Belief, safe boot, cryptographically signed firmware, and computerized firmware restoration. Runtime BMC protections and system lockdown options assist guarantee platform integrity all through the system lifecycle.
2x M.2 mounting factors for boot disk
Well being monitoring spans CPU, reminiscence, voltage rails, fan pace, and chassis temperatures, with real-time telemetry feeding into Supermicro’s administration instruments. This allows proactive monitoring and fast response to thermal or energy anomalies in manufacturing environments.
Supermicro Administration (BMC)
The AS-2126HS-TN ships with Supermicro’s built-in BMC, a platform now we have lined earlier than throughout a number of A+ programs, and it stays a vital a part of day-to-day administration. The dashboard presents a consolidated view of system well being and configuration, offering speedy visibility into firmware standing, {hardware} stock, and sensor telemetry. From the touchdown web page, directors can rapidly confirm BMC, BIOS, CPLD, and Redfish variations, verify community configuration, and validate host identification earlier than continuing with deeper troubleshooting or upkeep duties.
In Part Data, the BMC precisely studies our put in AMD EPYC processors, exhibiting each 192-core processors within the system. Every socket is populated with an AMD EPYC 9965, with 192 energetic cores and 384 threads per CPU, and a configured 500 W TDP. This view supplies a fast method to verify processor inhabitants and different element traits straight from the BMC, making certain they’re working at full potential.
Inside Part Data, Cooling tab, the BMC supplies management over 4 selectable fan modes: Customary Velocity, Full Velocity, Optimum Velocity, and Heavy I/O Velocity. These presets enable fast adjustment of airflow conduct relying on workload and thermal calls for with out requiring BIOS modifications. Beneath the mode choice, the interface lists particular person fan standing and real-time RPM readings, providing an easy view of system cooling well being.
For distant entry, the AS-2126HS-TN’s BMC consists of an built-in KVM console accessible through an HTML5 interface or a legacy Java plug-in. The console settings enable collection of fundamental mouse mode to accommodate totally different working programs, and an IKVM reset possibility is out there if the session turns into unresponsive. This supplies full out-of-band console entry for set up, troubleshooting, and restoration duties with out requiring native peripherals.
Supermicro AS-2126HS-TN Efficiency Testing
For testing, the Supermicro AS-2126HS-TN was not configured with a storage-dense or GPU-heavy energy and cabling format. Consequently, our analysis targeted completely on CPU-only efficiency, utilizing Blender, y-cruncher, and Phoronix benchmarks to characterize uncooked compute throughput on the dual-socket AMD EPYC platform.
The AS-2126HS-TN was outfitted with two AMD EPYC 9965 192-core processors, offering a complete of 384 cores and 768 threads. To offer context, outcomes are in contrast towards a Dell PowerEdge R7725 configured with the identical twin AMD EPYC 9965 processors and 1.5TB of system reminiscence. Each programs have been examined utilizing the identical benchmark suites and settings to make sure consistency throughout platforms.
Supermicro A+ Server AS -2126HS-TN Configuration
- CPU: 2x AMD EPYC 9965 (192-core)
- RAM: 1.5TB 24 x 64GB DDR5 6000MT
- SSD: Micron 7.68TB NVMe Datacenter SSD
Blender 4.5
Blender is an open-source 3D modeling utility. This benchmark was run utilizing the Blender Benchmark utility. The rating is measured in samples per minute, with greater values indicating higher efficiency.
Within the Blender CPU SMT benchmark, the Supermicro A+ Server AS-2126HS-TN outfitted with twin AMD EPYC 9965 processors delivers robust outcomes that spotlight the scaling advantages of a 192-core structure in closely threaded rendering workloads. Utilizing the Blender Benchmark utility, the system recorded 3,070.84 samples per minute in Monster, 2,063.61 in Junkshop, and 1,527.39 in Classroom.
For comparability, the Dell PowerEdge R7725 configured with the identical twin EPYC 9965 processors posts barely greater throughput on this SMT-enabled situation, reaching 3,193.11 samples per minute in Monster, 2,174.63 in Junkshop, and 1,608.79 in Classroom. The comparatively slender hole between the 2 platforms suggests broadly comparable conduct underneath SMT-heavy rendering hundreds, with variations possible pushed by platform-level tuning reasonably than uncooked compute functionality.
| Blender CPU SMT (Samples per minute; greater is best) | Supermicro A+ Server AS -2126HS-TN (AMD EPYC 9965 192C) | Dell PowerEdge R7725 (Twin AMD EPYC 9965 192C) |
|---|---|---|
| Monster | 3,070.84 | 3,193.11 |
| Junkshop | 2,063.61 | 2,174.63 |
| Classroom | 1,527.39 | 1,608.79 |
With SMT disabled, the Supermicro system reveals a notable enhance in uncooked throughput throughout all three scenes. Efficiency rises to 4,018.10 samples per minute in Monster, 2,707.10 in Junkshop, and 1,990.51 in Classroom, demonstrating how Blender’s CPU renderer can profit from decreased thread rivalry on very excessive core-count programs.
On this configuration, the Dell PowerEdge R7725 continues to submit greater absolute throughput, delivering 4,304.21, 2,870.34, and a pair of,079.79 samples per minute in Monster, Junkshop, and Classroom, respectively. Whereas the Dell system maintains an edge in peak outcomes, the Supermicro AS-2126HS-TN reveals substantial features with SMT disabled, underscoring how the threading technique can considerably affect efficiency on platforms working at this scale.
| Blender CPU no SMT (Samples per minute; greater is best) | Supermicro A+ Server AS -2126HS-TN (AMD EPYC 9965192C) | Dell PowerEdge R7725 (Twin AMD EPYC 9965 192C) |
|---|---|---|
| Monster | 4,018.10 | 4,304.21 |
| Junkshop | 2,707.10 | 2,870.34 |
| Classroom | 1,990.51 | 2,079.79 |
y-cruncher
y-cruncher is a multithreaded and scalable program that may compute Pi and different mathematical constants to trillions of digits. Since its launch in 2009, it has develop into a well-liked benchmarking and stress-testing utility for overclockers and {hardware} lovers.
Within the y-cruncher benchmark, the Supermicro AS-2126HS-TN demonstrates constant and predictable scaling as downside sizes enhance. The system completes the 1-billion-digit run in 8.092 seconds, extending to fifteen.245 seconds at 2.5 billion and 24.961 seconds at 5 billion digits.
As workloads develop bigger, compute occasions scale linearly, reaching 44.350 seconds at 10 billion digits, 114.107 seconds at 25 billion, and 246.688 seconds at 50 billion digits. On the most demanding 100-billion-digit run, the system completes the calculation in 572.800 seconds, underscoring its capability to maintain excessive thread counts over lengthy execution home windows.
The Dell PowerEdge R7725 completes the identical workloads barely sooner throughout all check sizes, ending the 100-billion-digit run in 481.207 seconds.
| Y-Cruncher (Whole Computation Time) | Supermicro A+ Server AS -2126HS-TN (AMD EPYC 9965 192C) | Dell PowerEdge R7725 (Twin AMD EPYC 9965 192C) |
|---|---|---|
| 1 Billion | 8.092 s | 7.879 seconds |
| 2.5 Billion | 15.245 s | 13.811 seconds |
| 5 Billion | 24.961 s | 22.107 seconds |
| 10 Billion | 44.350 | 40.111 seconds |
| 25 Billion | 114.107 | 98.445 seconds |
| 50 Billion | 246.688 | 211.567 seconds |
| 100 Billion | 572.800 | 481.207 seconds |
Phoronix Benchmarks
Phoronix Take a look at Suite is an open-source, automated benchmarking platform that helps over 450 check profiles and 100+ check suites through OpenBenchmarking.org. It handles every little thing from putting in dependencies to working exams and accumulating outcomes, making it ideally suited for efficiency comparisons, {hardware} validation, and steady integration.
Stream Reminiscence Bandwidth
Within the Stream reminiscence bandwidth check, the Supermicro AS-2126HS-TN delivers 807,766 MB/s of sustained throughput. The Dell PowerEdge R7725 reaches 883,312 MB/s, indicating barely greater peak reminiscence bandwidth, although each programs function nicely inside the vary anticipated for dual-socket EPYC 9005 platforms.
7-Zip Compression
For 7-Zip Compression, the Supermicro system achieves 1,262,832 MIPS, demonstrating robust integer efficiency and efficient multi-thread scaling. The Dell system posts 1,326,967 MIPS, exhibiting a modest benefit on this workload whereas remaining in the identical general efficiency tier.
Kernel Compile
Within the kernel compile (allmod) workload, the Supermicro AS-2126HS-TN completes the duty in 117.97 seconds, ending forward of the Dell PowerEdge R7725, which completes the identical workload in 139.36 seconds. This outcome highlights the Supermicro platform’s effectivity in parallel construct situations widespread in improvement and CI environments.
Apache Net Server
The Apache benchmark reveals the Supermicro system dealing with 90,623.69 requests per second, whereas the Dell system reaches 96,782.75 requests per second. Each programs exhibit robust web-serving throughput, with the Dell configuration posting barely greater peak request dealing with.
OpenSSL Verification
In OpenSSL verification, the Supermicro AS-2126HS-TN reaches 3.55 TB/s, reflecting substantial cryptographic throughput appropriate for encryption-heavy workloads. The Dell PowerEdge R7725 extends additional to 4.41 TB/s, indicating greater peak cryptographic efficiency, although each platforms ship efficiency nicely past typical enterprise necessities.
| Phoronix Benchmarks | Supermicro A+ Server AS -2126HS-TN (AMD EPYC 9965 192C) | Dell PowerEdge R7725 (Twin AMD EPYC 9965 192C) |
|---|---|---|
| Stream | 807,766.0 MB/s | 883,312.0 MB/s |
| 7-ZIP | 1,262,832 MIPS | 1,326,967 MIP/s |
| Kernel Compile (allmod) | 117.97 Seconds | 139.356 Seconds |
| Apache (requests per second) | 90,623.69 R/s | 96,782.75 R/s |
| Open SSL | 3,545,769,484,910 Confirm/s | 4,409,642,672,307 Confirm/s |
Conclusion
The Supermicro A+ Server AS-2126HS-TN presents a well-balanced dual-socket Turin platform that emphasizes compute density, energy scalability, and versatile PCIe enlargement in a 2U type issue. Its assist for twin AMD EPYC 9005-series processors, high-TDP configurations, and versatile I/O layouts positions it nicely for enterprise, cloud, and HPC environments the place sustained parallel efficiency and configurability are key.
Throughout our enterprise check suite, the AS-2126HS-TN delivered constant, predictable efficiency on CPU-intensive workloads. Whereas it trailed barely behind in a number of absolute-throughput metrics, the Supermicro platform remained aggressive, demonstrating robust scaling and effectivity throughout rendering, compute, and blended workloads. Taken collectively, the outcomes reinforce the AS-2126HS-TN as a succesful and versatile basis for high-core-count deployments, notably the place platform versatility and energy headroom are as necessary as peak benchmark numbers.
