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Manufacturer: SK Hynix Last updated: 2026-09-14
SK Hynix HMCG66AEBUA081N 8GB Review
SK hynix HMCG66AEBUA081N is an 8GB DDR5-4800 UDIMM, SK hynix's smallest-capacity baseline-speed OEM desktop tray part.
8GB and DDR5-4800 decode from SK hynix's HMCG66 part-numbering convention, matching the AEB suffix used across this catalog's confirmed 4800MT/s HMCG siblings. No published CAS latency or overclock profile.
What we can and can't verify
HMCG66 UDIMM family at 8GB/1Rx16; AEB maps to the JEDEC-baseline 4800MT/s bin. Timings and XMP/EXPO support aren't disclosed.
Compatibility
Standard 288-pin desktop DIMM; runs at JEDEC DDR5-4800 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
Specifications
What these specs meanHow fast this kit is among DDR5 kits, rated from its speed and latency.
Identity
| Peak Bandwidth | 38.4 GB/s |
|---|---|
| Brand | SK hynix |
| Part Number | HMCG66AEBUA081N |
| Series | SK hynix OEM Memory |
Memory
| DDR Generation | DDR5 |
|---|---|
| Capacity | 8 GB |
| Speed | 4800 MT/s |
| CAS Latency | 40 |
| Module Count | 1 |
Physical
| Form Factor | DIMM |
|---|
Module and platform
| RAM Segment | Desktop DDR5 |
|---|
Capacity
| Capacity Per Module | 8 GB |
|---|---|
| Ranks Per Module | 1R |
Speed and timings
| Rated Speed | 4800 MT/s |
|---|---|
| True Latency | 16.7 ns |
Silicon
| Memory IC | Undisclosed |
|---|---|
| ECC | No |
FAQs
What are the key specifications of the SK Hynix HMCG66AEBUA081N 8GB?
The SK Hynix HMCG66AEBUA081N 8GB is a memory kit from SK Hynix. Key specs: DDR Generation DDR5, Capacity 8GB, Module Count 1, Speed 4800MT/s (decoded from part number), Rank Configuration 1Rx16 (Single Rank, x16).
Will the SK Hynix HMCG66AEBUA081N 8GB work with my current setup?
The SK Hynix HMCG66AEBUA081N 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 HMCG66AEBUA081N 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 HMCG66AEBUA081N 8GB?
Not the best fit for: Gaming or multitasking builds needing more than 8GB.