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Manufacturer: SK Hynix Last updated: 2026-09-14
SK Hynix HMCG66AGBUA081N 8GB Review
SK hynix HMCG66AGBUA081N is an 8GB DDR5-5600 UDIMM, SK hynix's smallest-capacity OEM desktop tray part.
8GB, DDR5-5600, and 1Rx16 decode from the part number and match the product image label. No published CAS latency or overclock profile for this OEM tray part.
What we can and can't verify
HMCG66 is SK hynix's 288-pin desktop UDIMM DDR5 family at the 8GB/1Rx16 tier; AGB maps to 5600MT/s. Timings and XMP/EXPO support aren't disclosed.
Compatibility
Standard 288-pin desktop DIMM; runs at JEDEC DDR5-5600 on any current Intel or AMD board.
Our verdict
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Budget single-stick 8GB desktop upgrades
- Filling a single slot in a light-use office PC
Not for
- Gaming or multitasking builds needing more than 8GB
- Buyers wanting a documented CAS latency
Specifications
What these specs meanIdentity
| Peak Bandwidth | 44.8 GB/s |
|---|---|
| Brand | SK hynix |
| Part Number | HMCG66AGBUA081N |
| Series | SK hynix OEM Memory |
Memory
| DDR Generation | DDR5 |
|---|---|
| Capacity | 8 GB |
| Speed | 5600MT/s (decoded from part number) |
| Module Count | 1 |
Physical
| Form Factor | Desktop DIMM (UDIMM) |
|---|
Module and platform
| RAM Segment | Desktop DDR5 |
|---|
Capacity
| Capacity Per Module | 8 GB |
|---|
Silicon
| Memory IC | SK hynix |
|---|---|
| ECC | No |
FAQs
What are the key specifications of the SK Hynix HMCG66AGBUA081N 8GB?
The SK Hynix HMCG66AGBUA081N 8GB is a memory kit from SK Hynix. Key specs: DDR Generation DDR5, Capacity 8GB, Module Count 1, Speed 5600MT/s (decoded from part number), Rank Configuration 1Rx16 (Single Rank, x16).
Will the SK Hynix HMCG66AGBUA081N 8GB work with my current setup?
The SK Hynix HMCG66AGBUA081N 8GB lists DDR Generation is DDR5. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits. Our upgrade checker at /upgrade can confirm compatibility for common combinations.
Who is the SK Hynix HMCG66AGBUA081N 8GB best suited to?
Best suited to: Budget single-stick 8GB desktop upgrades; Filling a single slot in a light-use office PC.
What are the drawbacks of the SK Hynix HMCG66AGBUA081N 8GB?
Not the best fit for: Gaming or multitasking builds needing more than 8GB; Buyers wanting a documented CAS latency.