Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 vs Timetec Premium DDR4-2666 UDIMM 2x16GB
Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 has the lower true latency of the two at 8.64 ns, against 14.25 ns for Timetec Premium DDR4-2666 UDIMM 2x16GB. Timetec Premium DDR4-2666 UDIMM 2x16GB is tracked at the lower price, so the two split the axes this page measures, one each.
| Specification | CrucialBallistix DDR4-3200 2x16GB 4400 CL19 | TimetecPremium DDR4-2666 UDIMM 2x16GB |
|---|---|---|
| Capacity (GB) | 32 | 32 |
| Speed (MT/s) | 4400better | 2666 |
| 19 | 19 | |
| True latency (ns) | 8.64better | 14.25 |
| Current best price | £350.00at Amazon.co.uk · captured 2026-09-13 | £164.99betterat Amazon.co.uk · captured 2026-09-11 |
| Price per GB | £10.94 | £5.16better |
Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 vs Timetec Premium DDR4-2666 UDIMM 2x16GB in detail
True latency
Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 is the lower-latency kit at 8.64 ns against 14.25 ns for Timetec Premium DDR4-2666 UDIMM 2x16GB, 5.62 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. Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 runs 4400 MT/s at CL19; Timetec Premium DDR4-2666 UDIMM 2x16GB runs 2666 MT/s at CL19.
Transfer rate
Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 carries the higher rating, 4400 MT/s to 2666 MT/s for Timetec Premium DDR4-2666 UDIMM 2x16GB — 35200 MB/s per module against 21328 MB/s. That is peak transfer rate, not access time. Both kits are published at CL19, so an identical count of cycles simply completes sooner at the higher clock, and the true latency above is the figure that compares directly.
Price and tracked history
Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 is tracked at £350.00, or £10.94 per gigabyte; Timetec Premium DDR4-2666 UDIMM 2x16GB at £164.99, or £5.16. At the same 32GB, that puts Timetec Premium DDR4-2666 UDIMM 2x16GB £185.01 less than Crucial Ballistix DDR4-3200 2x16GB 4400 CL19. Timetec Premium DDR4-2666 UDIMM 2x16GB's £164.99 sits 5% under its own 90-day median.
Kit layout
Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 ships as 2 × 16GB and Timetec Premium DDR4-2666 UDIMM 2x16GB ships as 2 × 16GB — the same number of sticks on both sides, so they populate a board's slots the same way.
Voltage
Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 is specified at 1.35 V and Timetec Premium DDR4-2666 UDIMM 2x16GB at 1.2 V. That is the supply each kit's published profile requests from the board.
Lighting and ECC
On lighting: Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 has RGB lighting, and Timetec Premium DDR4-2666 UDIMM 2x16GB is published with no RGB lighting. On error correction: the catalog does not state whether Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 has it, and Timetec Premium DDR4-2666 UDIMM 2x16GB 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
The two split the axes this page measures, so no one kit is the answer. The lower tracked price belongs to Timetec Premium DDR4-2666 UDIMM 2x16GB; the lower true latency to Crucial Ballistix DDR4-3200 2x16GB 4400 CL19, 8.64 ns against 14.25 ns. Weighing money against latency is a decision about the machine, and it stays with the reader.
Common questions about this pair
- Is Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 faster than Timetec Premium DDR4-2666 UDIMM 2x16GB?
- Yes, on true latency: 8.64 ns for Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 against 14.25 ns for Timetec Premium DDR4-2666 UDIMM 2x16GB. Crucial Ballistix DDR4-3200 2x16GB 4400 CL19 runs 4400 MT/s at CL19 and Timetec Premium DDR4-2666 UDIMM 2x16GB runs 2666 MT/s at CL19, and the CAS numbers alone will not settle it — they count clock cycles, not time.
- Which one costs less?
- Timetec Premium DDR4-2666 UDIMM 2x16GB, tracked at £164.99 against £350.00: £185.01 between them at the same 32GB.
- Which of these two should I buy?
- The two split the axes this page measures, so no one kit is the answer. The lower tracked price belongs to Timetec Premium DDR4-2666 UDIMM 2x16GB; the lower true latency to Crucial Ballistix DDR4-3200 2x16GB 4400 CL19, 8.64 ns against 14.25 ns. Weighing money against latency is a decision about the machine, and it stays with the reader.