MSI 939-S336-002 1U barebone server AM5 B650 4 DDR5 2×10G 2×2.5" 450W redundant
- Single AMD Ryzen 70…
- 1U
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2U rackmount barebone holding twelve hot-swap 3.5-inch SATA drives plus two 2.5-inch bays, dual 800W redundant PSUs, SP6 socket for EPYC 8004 CPUs, eight DDR5 slots up to 96GB.
This 2U rackmount barebone accepts a single AMD EPYC 8004 series processor in an SP6 socket. It provides twelve hot-swap 3.5" SATA bays and two hot-swap 2.5" SATA bays for high-density storage. Eight DDR5 4800 DIMM slots support up to 96 GB of memory. The platform targets general-purpose server workloads needing local capacity.
Dual 800 W CRPS units rated 80-PLUS Platinum/Titanium share the load, so sustained operation does not rely on a single supply. Fan tachometer monitoring and multi-speed control adjust airflow automatically as CPU temperature rises. The chassis operates between 10 °C and 35 °C, allowing steady performance in typical data-centre aisles without thermal throttling.
Twelve 3.5" and two 2.5" trays slide in from the front, letting technicians swap drives without rails or screws. Two HHHL PCIe 5.0 x16 slots and two M.2 PCIe 5.0 x4 connectors sit inside for add-in cards. Rear connectivity includes dual 1 GbE RJ45 ports, two USB 3.2 Gen 1 Type-A ports and a VGA output driven by the Aspeed AST2600 controller.
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| Product | |
|---|---|
| Brand name | ASRock Rack |
| Model name | 2U12L2S-SIENA |
| Target workload | General Purpose Server |
| Processor | |
| Processor | AMD EPYC 8004 Series |
| Processor socket | Socket SP6 |
| Preinstalled processor | No CPU Installed |
| Max supported CPUs | 1 |
| Memory | |
| Installed RAM | No Memory Installed |
| RAM slots | 8 × 288Pin |
| Maximum supported memory | 96 GB |
| Supported memory | DDR5 4800 |
| Storage | |
| Preinstalled storage | No Storage Installed |
| Graphics | |
| Graphics processor | Aspeed AST2600 |
| Ports & slots | |
| PCIe slots | 2 HHHL PCIe5.0 x16 |
| VGA ports | 1 |
| Rear USB ports | 2 x USB 3.2 Gen 1 Type-A |
| Ethernet port | 2 |
| Power | |
| Power supply | 1+1 CRPS 800 W 80-PLUS Platinum/Titanium |
| Size & build | |
| Form factor | 2U Rackmount |
| Product dimensions | 3.5 in × 26.7 in × 16.9 in |
| Shipping weight | 25.17 kg |
| Package size | 914 × 622 × 330 mm |
| Environment & compliance | |
| Temperature range | Operation temperature: 10 °C to 35 °C / Non operation temperature: -40 °C to 70 °C |
| Humidity range | Non operation humidity: 20% ~ 90% ( Non condensing) |
| More details | |
| BIOS features | AMI UEFI BIOS; 256 Mb SPI Flash ROM ASRock Rack Instant Flash, ACPI 6.4 and above compliance wake up events, SMBIOS 3.5.0 and above, Plug and Play(PnP) |
| Fan configuration | Fan Tachometer Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature) Fan Multi-Speed Control |
The chassis uses quiet fan control that auto-adjusts speed by CPU temperature, and the 1+1 800 W CRPS units are 80-PLUS Platinum/Titanium rated for high efficiency. Operating temperature range is 10 °C to 35 °C.
You need one AMD EPYC 8004 series processor for the SP6 socket, up to 96 GB of DDR5 4800 RDIMM across eight 288-pin slots, and 3.5" SATA drives for the twelve hot-swap bays plus optional 2.5" SATA drives for the two 7 mm bays.
Yes, the two half-height half-length PCIe 5.0 x16 slots are backward compatible with PCIe 4.0 and 3.0 cards, so older expansion cards will function at their native speeds.
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