
Available in 1U–5U rack densities, supporting AMD, Intel, and Ampere processors, DDR5 memory, multi-socket configurations, and hot-swappable storage drives.
read moreGIGABYTE Server Motherboard- MZ33-AR1
GIGABYTE Server Motherboard- MZ33-AR1
Motherboard – AMD EPYC™ 9005/9004 – E-ATX UP
Key Features
- Single AMD EPYC™ 9005/9004 Series Processors
- 12-Channel DDR5 RDIMM, 24 x DIMMs
- 2 x 10Gb/s LAN ports via Broadcom® BCM57416
- 2 x MCIO 8i connectors with PCIe Gen5 x8 or SATA interface
- 3 x MCIO 8i connectors with PCIe Gen5 x8 interface
- 1 x MCIO 8i connector with PCIe Gen4 x8 interface
- 1 x M.2 slot with PCIe Gen4 x4 interface
- 4 x PCIe Gen5 x16 expansion slots

| Dimensions | 409 × 355 × 78 cm |
|---|
SKU:
MZ33-AR1
Categories: Server Building Blocks, Server Motherboards
Tags: AMD EPYC, Cloud and hyperscale environments, Networking, Ryzen™ 9000/7000, Storage networking
Brands: Giga Computing, Gigabyte
Description
■ Server Mainboard – AMD EPYC™ 9005/9004 – E-ATX UP
► Specifications
MZ33-AR1 (Rev. 3.x) Specifications
| Specification | Details |
|---|---|
| Form Factor (WxD) | E-ATX304.8 × 330.2 mm |
| CPU | AMD EPYC™ 9005 Series Processors AMD EPYC™ 9004 Series Processors Single processor cTDP up to 500W |
| Socket | 1 × LGA 6096 Socket SP5 |
| Chipset | System on Chip (SoC) |
| Memory | 24 × DIMM slots DDR5 RDIMM supported 12-channel memory architectureAMD EPYC™ 9005: Up to 5200 MT/s (1DPC) Up to 4400 MT/s (1R 2DPC) Up to 4000 MT/s (2R 2DPC)AMD EPYC™ 9004: Up to 4800 MT/s (1DPC) Up to 3600 MT/s (2DPC) |
| LAN | 2 × 10Gb/s LAN via Broadcom® BCM57416 NCSI support 1 × 10/100/1000 Mbps Management LAN |
| Video | Integrated in ASPEED® AST2600 1 × VGA port |
| Audio | N/A |
| Storage Interface | MCIO: 2 × MCIO 8i connectors for 4 × Gen5 NVMe or 16 × SATA 3 × MCIO 8i connectors for 6 × Gen5 NVMe 1 × MCIO 8i connector for 2 × Gen4 NVMeM.2: 1 × M.2 (2280 / 22110) PCIe Gen4 ×4 interface |
| RAID | N/A |
| PCIe Expansion Slots | Slot_7: PCIe x16 (Gen5 x16) Slot_6: PCIe x16 (Gen5 x16) Slot_4: PCIe x16 (Gen5 x16) Slot_3: PCIe x16 (Gen5 x16)2 × MCIO 8i (Gen5 x8 or SATA) 3 × MCIO 8i (Gen5 x8) |
| Internal I/O | 1 × 24-pin ATX main power connector 2 × 8-pin ATX 12V power connectors 1 × 6-pin ATX 12V power connector 1 × CPU fan header 5 × System fan headers 1 × USB 3.2 Gen1 x2 header 1 × USB 2.0 header 1 × M.2 slot 6 × MCIO 8i connectors 1 × Front panel header 1 × TPM header 1 × PMBus connector 1 × IPMB connector |
| Rear I/O | 2 × USB 3.2 Gen1 Type-A ports 1 × VGA port 2 × RJ45 10GbE LAN ports 1 × Dedicated Management LAN port 1 × ID button with LED |
| Security | 1 × TPM header with SPI interface Optional TPM2.0 module support |
| System Management | ASPEED® AST2600 Baseboard Management Controller GIGABYTE Management Console (GMC) Features: • Dashboard • HTML5 KVM • Sensor monitoring • Sensor history logs • FRU information • SEL log management • Hardware inventory • Fan profile control • System firewall • Power consumption monitoring • Power control • Advanced power capping • LDAP / AD / RADIUS support • Backup & restore configuration • Remote BIOS/BMC/CPLD updates • Event log filtering • User management • Media redirection • SSL settings • SMTP settings |
| Operating System | Refer to the official OS compatibility list available on the support page. |
About GIGA COMPUTING

Giga Computing, under the GIGABYTE brand, is dedicated to advancing server technology. We focus on developing, manufacturing, and selling optimized enterprise products and solutions to meet evolving market needs and enhance business environments.
UNITEK ME is an authorized distributor of Giga Computing in the UAE & GCC, delivering enterprise servers, AI infrastructure, GPU computing, and data center solutions with complete technical and project support.
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