| System |  | Form Factor | 1U Rackmount | 
|  | Chassis Model | GC79 | 
|  | Chassis Dimension (D x W x H)
 | 31.1” x 17.26” x 1.69” (790mm x 438.5mm x 43mm) | 
|  | Motherboard Name | S8252GM2NE-2T | 
|  | Motherboard Notification | # The motherboard not sold separately | 
|  | Gross Weight | 26.5 kg (58.5 lbs) | 
|  | Net weight | 15 kg (33.5 lbs) | 
| Front Panel |  | Buttons | (1) ID / (1) PWR w/ LED | 
|  | LEDs | (1) PWR / (1) ID | 
|  | I/O Ports | (1) USB 3.1 Gen1 port | 
| External Drive Bay |  | Q'ty / Type | (4) hot-swap 2.5" 7mm NVMe SSD + (4) hot-swap 3.5" SATA/SAS SSD/HDDs | 
|  | HDD Backplane Support | SAS 12Gb/s /SATA 6Gb/s / NVMe | 
|  | Supported HDD Interface | (4) SATA 6Gb/s & SAS* (4) NVMe | 
|  | Notification | The SAS/SATA HDD backplane is connected to onboard SATA connection by default. Please contact Tyan technical support if a discrete SAS HBA/RAID adapter is required. | 
| System Cooling Configuration |  | FAN | (8) 4cm fans | 
| Power Supply |  | Type | CRPS | 
|  | Input Range | AC 200-240V/7A  / AC 100-127V/13A | 
|  | Output Watts | 1,000 Watts (100-127V AC input) / 1,200Watts (200-240V AC input) | 
|  | Efficiency | 80 plus Platinum | 
|  | Redundancy | 1+1 | 
| Processor |  | Q'ty / Socket Type | (2) AMD Socket SP3 | 
|  | Supported CPU Series | (2) AMD EPYC™ 7002 Series Processors | 
|  | Configurable Thermal Design Power (cTDP) Wattage | Max up to 240W | 
| Memory |  | Supported DIMM Qty | (16)+(16) DIMM slots | 
|  | DIMM Type / Speed | DDR4 ECC RDIMM/RDIMM 3DS/LRDIMM/LRDIMM 3DS 3200 | 
|  | Capacity | Up to 8192GB RDIMM | 
|  | Memory channel | 8 Channels per CPU | 
|  | Memory voltage | 1.2V | 
| Expansion Slots |  | PCI-E | (2) PCI-E Gen4/3 x16 ( FH/HL ) | 
|  | Pre-installed TYAN Riser Card (PCI-E Gen4)
 | (1) M8252G79-R16-1F PCIe Gen 4 riser for (1) FH/HL PCI-E Gen4 x 16 /   (1) M8252G79-L16-1F  PCIe Gen 4 riser for (1) FH/HL PCI-E Gen4 x 16 | 
|  | Others | (1) PCI-E Gen4/3 x16 OCP 3.0 slot | 
|  | Physical Dimension Abbreviation
 | FH/HL (Full-height / Half-length): 4.4" x 6.6" (111.2 x 167.7mm) | 
| LAN |  | Q'ty / Port | (2) 10GbE ports, (1) GbE port dedicated for IPMI | 
|  | Controller | Intel X550-AT2 | 
|  | PHY | Realtek RTL8211E | 
| Storage | SATA | Connector | (4) SATA 7-pin connectors for (4) front SATA | 
| Controller | Marvell 9235 | 
| Speed | 6Gb/s | 
| RAID | N/A | 
| NVMe | Connector (M.2) | (2) 22110/2280 (by PCI-E Gen3 interface) | 
| Connector (Slim SAS) | (2) SFF-8654 for (4) NVMe ports | 
| Graphic |  | Connector type | D-Sub 15-pin | 
|  | Resolution | Up to 1920x1200 | 
|  | Chipset | Aspeed AST2500 | 
| I/O Ports |  | USB | (2) USB3.1 Gen1 ports (@ rear) / (2) USB3.1 Gen1 ports (via Cable) / (1) USB3.1 Gen1 port (Type-A) | 
|  | COM | (2) headers (COM1, COM2) | 
|  | VGA | (1) D-Sub 15-pin port | 
|  | RJ-45 | (2) 10GbE ports, (1) GbE dedicated for IPMI | 
| System Monitoring |  | Chipset | Aspeed AST2500 | 
|  | Temperature | Monitors temperature for CPU & memory & system environment | 
|  | Voltage | Monitors voltage for CPU, memory, chipset & power supply | 
|  | LED | Over temperature warning indicator / Fan & PSU fail LED indicator | 
|  | Others | Watchdog timer support | 
| Server Management |  | Onboard Chipset | Onboard Aspeed AST2500 | 
|  | AST2500 iKVM Feature | 24-bit high quality video compression / Supports storage over IP and remote platform-flash / USB 2.0 virtual hub | 
|  | AST2500 IPMI Feature | IPMI 2.0 compliant baseboard management controller (BMC) / 10/100/1000 Mb/s MAC interface | 
| BIOS |  | Brand / ROM size | AMI / 32MB | 
|  | Feature | Hardware Monitor / SMBIOS 3.0/PnP/Wake on LAN / Boot from USB device/PXE via LAN/Storage / Console Redirection / ACPI 6.1 / ACPI sleeping states S0, S5 / FAN speed control automatic | 
| Operating System |  | OS supported list | Please refer to our AVL support lists. | 
| Regulation |  | FCC (DoC) | Class A | 
|  | CE (DoC) | Class A | 
|  | CB/LVD | Yes | 
|  | C-Tick | Class A | 
|  | VCCI | Class A | 
| Operating Environment |  | Operating Temp. | 10° C ~ 35° C (50° F~ 95° F) | 
|  | Non-operating Temp. | - 40° C ~ 70° C (-40° F ~ 158° F) | 
|  | In/Non-operating Humidity | 90%, non-condensing at 35° C | 
| RoHS |  | RoHS 6/6 Compliant | Yes | 
| Package Contains |  | Barebone | (1) GC79-B8252 | 
|  | Manual | (1) Quick Installation Guide |