AMD Instinct MI300A
- GPU Brand:
- AMD
- Series:
- Instinct MI300 Series
- Tier:
- Datacenter
- Board Partner:
- AMD (Reference)
- VRAM:
- 128 GB
- Memory Type:
- HBM3
- TDP:
- 550W
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Manufacturer: AMD Last updated: October 9, 2026
AMD Instinct MI300A Review
AMD Instinct MI300A graphics card, 128 GB VRAM, 550W | 760W Peak TDP.
The AMD Instinct MI300A is an AMD reference-design graphics card in the Instinct MI300 Series lineup, launched 12/06/2023. It ships with 128 GB of HBM3 and runs within a 550W | 760W Peak power envelope. This entry reflects AMD's official reference specification; board-partner card variants may differ in clocks, cooling, and power delivery.
Performance and Architecture
The AMD Instinct MI300A is an AMD reference-design graphics card in the Instinct MI300 Series lineup, launched 12/06/2023. It ships with 128 GB of HBM3 and runs within a 550W | 760W Peak power envelope. This entry reflects AMD's official reference specification; board-partner card variants may differ in clocks, cooling, and power delivery.
Platform and Connectivity
The AMD Instinct MI300A follows AMD's Instinct reference design conventions for memory, display outputs, and bus interface as specified by AMD.
Comparison to Alternatives
Within this catalog's Instinct MI300 Series listings, the AMD Instinct MI300A reference specification sits alongside board-partner variants of the same chip, which may offer different clocks, cooling, and pricing.
Our verdict
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Buyers comparing AMD's official reference specifications
- Researching a chip before choosing a board-partner card
- Workstation/datacenter procurement research
Not for
- Buyers wanting a specific retail card with cooler and warranty details
- Overclocking-focused enthusiasts (reference clocks only)
Specifications
What these specs meanPlatform
| GPU Brand | AMD |
|---|---|
| Board Partner | Reference |
Identity and type
| Product Type | Datacenter Accelerator |
|---|---|
| Series | Instinct |
| Tier | Datacenter |
Performance
| Memory Type | HBM3 |
|---|---|
| Boost Clock | 2100 MHz |
Physical & Power
| TDP | 550 W |
|---|
Silicon
| Architecture | CDNA 3 |
|---|---|
| Process Node | TSMC 5nm | 6nm FinFET |
| Shader Units | 14592 |
| Compute Blocks | 228 |
Memory
| VRAM Capacity | 128 GB |
|---|---|
| Memory Bus Width | 8192 bit |
| Memory Bandwidth | 5300 GB/s |
| Cache Size | 256 MB |
Host interface
| PCIe Generation | PCIe 5.0 |
|---|---|
| PCIe Lanes | 16 |
Physical and cooling
| Cooling Type | Passive & Active |
|---|
Market and workstation
| Launch Date | 12/06/2023 |
|---|---|
| ECC Memory | Yes |
FAQs
What are the key specifications of the AMD Instinct MI300A?
Key specs for the AMD Instinct MI300A: VRAM Capacity 128 GB, Memory Bandwidth 5300 GB/s, Boost Clock 2100 MHz, TDP 550 W, Form Factor APU SH5 Socket, Architecture CDNA 3.
Who is the AMD Instinct MI300A best suited to?
Best suited to: Buyers comparing AMD's official reference specifications; Researching a chip before choosing a board-partner card; Workstation/datacenter procurement research.
What are the drawbacks of the AMD Instinct MI300A?
Not the best fit for: Buyers wanting a specific retail card with cooler and warranty details; Overclocking-focused enthusiasts (reference clocks only).