H273-Z81 - Motherboard GIGABYTE - Free user manual and instructions
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| Product Type | Motherboard |
| Brand | Gigabyte |
| Model | H273-Z81 |
| Form Factor | SSI-EEB (E-ATX compatible) |
| Dimensions | 30.5 cm x 33.0 cm (12" x 13") |
| Weight | 2.2 kg |
| CPU Socket | LGA 4094 (Socket SP3) |
| Supported CPU | AMD EPYC 7002/7003 Series |
| Chipset | AMD |
| Memory Slots | 8 x DIMM, DDR4 ECC RDIMM/LRDIMM |
| Max Memory | 2 TB |
| Expansion Slots | 7 x PCIe 4.0 x16 (mechanical x16) |
| Storage Interfaces | 2 x M.2 (PCIe 4.0 x4), 2 x U.2 (PCIe 4.0 x4), 8 x SATA 6Gb/s |
| Network | 2 x 10GbE (Broadcom BCM57416), 1 x 1GbE (Realtek RTL8211F) |
| USB Ports | 2 x USB 3.2 Gen2 (rear), 2 x USB 3.2 Gen1 (via header), 2 x USB 2.0 (via header) |
| Power Connectors | 2 x 8-pin EPS12V, 1 x 24-pin ATX |
| BIOS | AMI UEFI BIOS, 256 Mbit Flash |
| Management | ASPEED AST2500 BMC, IPMI 2.0 |
Frequently Asked Questions - H273-Z81 GIGABYTE
What CPU is compatible with the Gigabyte H273-Z81?
The motherboard supports AMD EPYC 7002 and 7003 series processors in Socket SP3 (LGA 4094).
What is the maximum memory capacity?
It supports up to 2 TB of DDR4 ECC RDIMM/LRDIMM across 8 DIMM slots.
How many PCIe slots does the H273-Z81 have?
It has 7 PCIe 4.0 x16 slots, all mechanical x16, but electrical lanes depend on CPU configuration.
Does this motherboard support M.2 NVMe SSDs?
Yes, it has 2 M.2 slots (PCIe 4.0 x4) and 2 U.2 ports (PCIe 4.0 x4) for NVMe storage.
What network interfaces are available?
It includes dual 10GbE ports (Broadcom BCM57416) and a dedicated 1GbE management port (Realtek).
How can I manage the server remotely?
The onboard BMC (ASPEED AST2500) with IPMI 2.0 allows remote management via the dedicated 1GbE port.
What power connectors are required?
Two 8-pin EPS12V and one 24-pin ATX connector are needed. High-wattage PSU with dual CPU power is recommended.
Is the H273-Z81 compatible with standard PC cases?
It has an SSI-EEB form factor (12" x 13"). Most E-ATX cases may fit, but check for matching standoffs and clearance.
How do I update the BIOS?
Download the latest BIOS from Gigabyte's support site, extract to a USB drive, and use the Q-Flash utility in BIOS setup.
What operating systems are supported?
It supports Windows Server, Linux distributions (Ubuntu, RHEL, CentOS), and VMware ESXi. Check Gigabyte's compatibility list.
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USER MANUAL H273-Z81 GIGABYTE
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Product information
Brand : GIGABYTE
Model : H273-Z81
Category : Motherboard