The Supermicro SYS-4027GR-TR is a discontinued 4U dual-socket server designed for dense GPU and Xeon Phi computing. It may suit a specific legacy workload or a buyer who can verify and maintain a used system, but its historical GPU capacity does not establish compatibility with current accelerators, operating systems, or drivers. Judge the exact unit—not just the model number—before buying.
What is the Supermicro SYS-4027GR-TR?
SYS-4027GR-TR is the SKU for Supermicro’s SuperServer 4027GR-TR, a 4U rackmount system built around the Super X9DRG-OF-CPU motherboard and Intel C602 chipset. The model is listed as discontinued by Sunway Technology’s product specification page. That makes it a legacy or used-server consideration, rather than a current-generation recommendation.
Supermicro positioned the platform for cloud computing with GPUs, GRID-certified solutions, and high-performance computing. Its brochure describes support for dual Intel Xeon E5-2600 and E5-2600 v2 family processors and emphasizes accelerator density. Those are historical design goals, not proof that a particular modern GPU, software stack, or driver will work. See Supermicro’s product brochure.
What specifications matter?
| Component | Listed capability | What to verify on the specific server |
|---|---|---|
| Processors | Two Socket R (LGA 2011) sockets for Intel Xeon E5-2600 or E5-2600 v2 family CPUs; some processor support requires an appropriate BIOS revision, according to Sunway Technology. | Exact CPU models, BIOS revision, and matching heatsinks. |
| Memory | 24 DDR3 DIMM slots. The listed maxima are 1.5 TB ECC LRDIMM, 768 GB ECC RDIMM, or 192 GB UDIMM, depending on module type, according to Sunway Technology. | Installed DIMM type, capacity, population, and compatibility with the processors. |
| Drive bays | 24 hot-swap 2.5-inch bays are listed; the source describes SATA/SAS backplane details. | Exact backplane and storage controller in the unit. |
| Expansion | Eight PCIe 3.0 x16 double-width slots plus additional x8/x4 arrangements are listed. | Risers, physical clearance, GPU dimensions, power connectors, and cooling. |
| Networking | Two RJ45 10GBase-T ports and a dedicated IPMI port are listed. | That the ports and IPMI function are present and accessible on the offered configuration. |
| Chassis and power | 4U rackmount chassis, eight hot-swap 92 mm fans, and redundant 1600 W power supplies are listed. Total output varies with input voltage. | PSU configuration and condition, facility power, rack depth, and fan condition. |
The numbers are platform specifications, not a guarantee that every used unit has all listed parts. The exact model suffix and build matter: Supermicro’s 2014 product-family announcement reported up to eight GPUs, dual Xeon E5-2600 v2 processors, up to 1.5 TB ECC DDR3, and 24 hot-swap 2.5-inch bays; its 10GbE port detail identifies the TRT model. Treat these as launch-era family capabilities, not confirmation of a particular SYS-4027GR-TR configuration. See the 2014 announcement.
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Is it suitable for a GPU or HPC workload today?
Potentially, if the workload is compatible with its older platform and the individual server has the required components. The product brochure’s references to GPU, Xeon Phi, GRID, and HPC use describe what the system was designed to serve; they do not establish current operating-system, driver, or accelerator support. Check support for the exact CPU, GPU, OS, and software versions you intend to run before committing.
GPU capacity is especially configuration-dependent. Slot count alone does not confirm that a target card fits, receives adequate power, or can be cooled under sustained load. Confirm the risers, card dimensions, auxiliary power connectors, PSU arrangement, fan set, and airflow path together.
Rank #2
- 2x Xeon Gold 6130 2.1GHz 16-Core Processor
- 64GB Memory
- 12x Trays (Bring Your Own Drives)
- 4x 10GbE RJ45
- 4-Post Rack Rails
What to check before buying a used unit
- Identify the exact build. Ask for the complete model suffix, a parts list, and clear photographs of the chassis labels and internal components.
- Confirm the motherboard, BIOS, and processors. Record the BIOS revision and both CPU models; verify BIOS support for the intended processors and that both heatsinks are included.
- Check memory configuration. Confirm whether the installed DDR3 is ECC LRDIMM, RDIMM, or UDIMM, along with module capacity and population. Do not assume the maximum capacities are interchangeable.
- Verify GPU readiness. Confirm GPU model, dimensions, risers, power leads, PSU configuration, and cooling—not merely the advertised GPU count.
- Inspect storage and networking. Establish which backplane and controller are fitted, whether drive trays are included, and whether 10GbE and IPMI are working and accessible.
- Assess the rack and power requirements. Check chassis depth, available rack space, facility input voltage, and the actual redundant PSU configuration.
- Validate workload support independently. Confirm the current OS, drivers, and accelerator software support the exact components you will use.
How to compare it with another used GPU server
Compare the complete configurations, not headline GPU counts. The useful decision points are accelerator fit and power/cooling capacity; CPU generation and workload performance; memory type and capacity; storage backplane and bay count; network interfaces; chassis depth and rack constraints; power requirements; and access to replacement parts. A cheaper bare chassis may be a worse fit than a more complete unit if required risers, fans, or power leads are missing.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What the available specifications do not establish
The product and launch materials do not establish a current support lifecycle, dependable stock availability, a generally applicable used price, or compatibility with a particular modern workload. The appropriate decision therefore depends on a verified unit and your own software-support requirements, rather than the model’s original accelerator claims.
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Best Value
- 11.3"-Depth Mini 1U chassis support for maximum motherboard size - 9.6" x 9.6"
- Single processor support: Intel Core 2 Duo, Xeon 3000 Series (up to 65W), Intel Celeron 400 series, Intel Atom 200/300 series
- Drive Bays: 1x 3.5" Internal Drive Bay
- Power Supply: 200W 80 PLUS Gold Certified Low Noise AC-DC Power Supply w/ PFC
- Cooling System: 2x 8500 RPM Cooling Fans
Rank #3
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
