GIGABYTE
GIGABYTE R163-Z35-ACH1 barebone server 1U 12-bay 1300W
1U rackmount barebone supporting AMD EPYC 9004/9005 CPUs, 12-channel DDR5, 12 hot-swap 2.5" NVMe/SATA/SAS-4 bays, dual 1300W Titanium PSUs
- Form Factor1U Rackmount
- WorkloadGeneral Purpose Server
- CPU TypeAMD EPYC 9005 & 9004 Series
- CPU SocketSocket SP5
- Installed CPUNo CPU Installed
- Max Processors1
- Supports up to 192 CPU cores with AMD EPYC 9005/9004 series
- 12-channel DDR5 6000 memory architecture scales bandwidth
- 12 hot-swap 2.5" bays handle NVMe, SATA and SAS-4 drives
- Dual 1300W 80 PLUS Titanium PSUs deliver redundant power
- Two FHHL PCIe Gen5 x16 plus two OCP NIC 3.0 slots expand I/O
Single-socket EPYC platform
This 1U rackmount barebones server accepts one AMD EPYC 9005 or 9004 series processor in an SP5 socket with a configurable TDP up to 300W at 25°C ambient. Twelve DDR5 6000 channels populate 12 DIMM slots for high memory bandwidth. No CPU or memory is installed, so integrators choose the exact core count and capacity their workload demands.
1300W Titanium redundant power
Dual 1300W 80 PLUS Titanium supplies deliver N+1 redundancy in a 1U chassis. At 25°C the platform supports processor cTDP up to 400W while the power supplies maintain Titanium efficiency across the load range. The compact form factor concentrates airflow through the chassis to cool twelve hot-swap drive bays, two full-height PCIe Gen5 x16 slots and two OCP NIC 3.0 Gen5 x16 slots without oversized fans.
Twelve Gen5 bays and dual PCIe Gen5 x16
Twelve 2.5-inch bays accept NVMe, SATA or SAS-4 drives with PCIe Gen5 signalling for direct CPU attachment. A single M.2 2280/22110 slot runs at PCIe Gen3 x4 for boot or cache devices. Two FHHL PCIe Gen5 x16 slots and two OCP 3.0 Gen5 x16 slots provide expansion for GPUs, accelerators or high-speed networking. One Intel I210-AT port supplies 1 Gigabit management LAN.
Highlights
- Supports up to 192 CPU cores with AMD EPYC 9005/9004 series
- 12-channel DDR5 6000 memory architecture scales bandwidth
- 12 hot-swap 2.5" bays handle NVMe, SATA and SAS-4 drives
- Dual 1300W 80 PLUS Titanium PSUs deliver redundant power
- Two FHHL PCIe Gen5 x16 plus two OCP NIC 3.0 slots expand I/O
Specifications
| Brand | GIGABYTE |
|---|---|
| Model | R163-Z35-AAH1 |
| Form Factor | 1U Rackmount |
| Workload | General Purpose Server |
| CPU Type | AMD EPYC 9005 & 9004 Series |
| CPU Socket | Socket SP5 |
| Installed CPU | No CPU Installed |
| Max Processors | 1 |
| CPU Features | Single processor, cTDP up to 300W - At 25°C ambient, cTDP up to 400W |
| Memory Slots | 12 x 288Pin |
| Installed Memory Size | No Memory Installed |
| Memory Type Supported | DDR5 6000 |
| Channel Supported | 12 Channel |
| Installed HDD | No Storage Installed |
| M.2 | 1 x M.2 (2280/22110), PCIe Gen3 x4 |
| PCI Express | 2 x FHHL PCIe Gen5 x16 slots 2 x OCP NIC 3.0 PCIe Gen5 x16 slots |
| First LAN | Intel I210-AT |
| Max. LAN Speed | 1 Gigabit |
| Hot-Swap Bays | 12 x 2.5" Gen5 NVMe/SATA/SAS-4 hot-swap bays |
| Max. Power | 1+1 1300W 80 PLUS Titanium redundant power supplies |
| Temperature | Operating temperature: 10°C to 35°C Non-operating temperature: -40°C to 60°C |
| Humidity | Operating humidity: 8%-80% (non-condensing) Non-operating humidity: 20%-95% (non-condensing) |
| Dimensions | 1.71" x 17.24" x 27.95" |
| Package Contents | 1 x R163-Z35-AAH1 1 x CPU heatsink 1 x Mini-DP to D-Sub cable 1 x 2-Section Rail kit |
| Shipping weight | 21.55 kg |
| Package size | 978 × 610 × 241 mm |
Questions about this item
How do I install the CPU in the SP5 socket without bending pins, and which step do builders most often skip?
Align the gold triangle on the AMD EPYC 9005 or 9004 processor with the socket marker, lower the carrier gently, then torque the retention screws in the numbered sequence to the specified value — skipping the torque sequence is the step that causes uneven pressure and bent pins.
What maintenance will the 1+1 1300W 80 PLUS Titanium redundant power supplies need over time?
The hot-swap PSUs can be replaced one at a time without shutting down; plan to clean dust from the intake filters every six to twelve months and replace a unit only if its LED shows a fault or efficiency drops below the 80 PLUS Titanium threshold.
At what point does the 1U chassis hit its thermal limit when the EPYC CPU runs at its 400W cTDP under sustained load?
The 25°C ambient rating is the first limit — if intake air exceeds 25°C the platform must throttle the processor below the 400W cTDP to stay within safe operating temperatures.
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