A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) vs Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16
On true latency Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 comes out ahead: 12.00 ns, where A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) takes 13.75 ns. The site holds no current price for at least one of these, so what follows compares specifications alone.
| Specification | A-Tech32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) | CorsairVengeance LPX DDR4-3200 4x8GB 2666 CL16 |
|---|---|---|
| Capacity (GB) | 32 | 32 |
| Speed (MT/s) | 3200better | 2666 |
| 22 | 16 | |
| True latency (ns) | 13.75 | 12.00better |
| Current best price | — | £279.99at Amazon.co.uk · captured 2026-09-13 |
| Price per GB | — | £8.75 |
No tracked price for A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) at the moment. Nothing has been captured for it that this page will stand behind, so its price cells stay empty rather than carrying a stale figure.
A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) vs Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 in detail
True latency
Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 is the lower-latency kit at 12.00 ns against 13.75 ns for A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB), 1.75 ns between them. That is the figure that reconciles the two spec sheets: a CAS number counts cycles, and cycles mean nothing apart from the rate they are counted at. A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) runs 3200 MT/s at CL22; Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 runs 2666 MT/s at CL16.
Transfer rate
A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) carries the higher rating, 3200 MT/s to 2666 MT/s for Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 — 25600 MB/s per module against 21328 MB/s. That is peak transfer rate, not access time: a higher clock is reached by counting more cycles for each access, which is why the CAS numbers differ too and why the true latency above is the directly comparable figure.
Kit layout
A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) ships as 2 × 16GB, Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 ships as 4 × 8GB. A real difference, and not a ranking: more sticks fill more channels on a board that has them, while fewer sticks leave slots free for adding later. Which suits comes down to the board and to whether more memory is planned.
Voltage
A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) is specified at 1.2 V and Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 at 1.35 V. That is the supply each kit's published profile requests from the board.
Lighting, timings and ECC
On lighting: A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) is published with no RGB lighting, and Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 is published with no RGB lighting. On the full timing tuple — the numbers after CAS — A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) publishes none, and Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 is 16-20-20-38. On error correction: A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) is published without ECC, and Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 is published without ECC. ECC is a board and CPU feature as much as a module one, so it is worth having only where the platform can use it.
Which to buy
At least one of these kits has no tracked price right now, so this page has no buying answer to give: which is worth more depends on what each costs, and that is exactly what is missing. On specifications alone, Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 has the lower true latency at 12.00 ns.
Common questions about this pair
- Is A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) faster than Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16?
- Yes, on true latency: 12.00 ns for Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 against 13.75 ns for A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB). A-Tech 32GB DDR4-3200 UDIMM Kit 32GB Kit (2x16GB) runs 3200 MT/s at CL22 and Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 runs 2666 MT/s at CL16, and the CAS numbers alone will not settle it — they count clock cycles, not time.
- Which of these two should I buy?
- At least one of these kits has no tracked price right now, so this page has no buying answer to give: which is worth more depends on what each costs, and that is exactly what is missing. On specifications alone, Corsair Vengeance LPX DDR4-3200 4x8GB 2666 CL16 has the lower true latency at 12.00 ns.