Crucial P5 2TB vs Kingston KC3000 2TB
The site holds no current price for at least one of these, so what follows compares specifications alone.
| Specification | CrucialP5 2TB | KingstonKC3000 2TB |
|---|---|---|
| Capacity (GB) | 2000 | 2000 |
| Sequential read (MB/s) | 7000 | 7000 |
| Sequential write (MB/s) | 6000 | 7000better |
| Current best price | — | — |
| Price per TB | — | — |
| DRAM cache | Yes | Yes |
| NAND type | tlc | tlc |
| Controller | — | Phison E18 |
How these two compare
Sequential throughput
Crucial P5 2TB is rated 7000 MB/s read and 6000 MB/s write; Kingston KC3000 2TB, 7000 MB/s read and 7000 MB/s write. These are peak sequential rates over PCIe — the speed you would see copying one large file. For boot, app launches and everyday feel, random access matters more than this headline figure.
DRAM cache
Crucial P5 2TB carries a DRAM cache; Kingston KC3000 2TB carries a DRAM cache. A DRAM cache holds the drive's mapping table — the index of where each block physically sits — so the controller places and finds data without an extra flash lookup. A DRAM-less drive borrows a little system memory (HMB) or a slice of its own flash instead, and is likelier to slow once a long run of random writes outlasts its fast cache.
NAND, controller and warranty
NAND: Crucial P5 2TB uses TLC and Kingston KC3000 2TB uses TLC. The tier is bits per cell — SLC, MLC, TLC and QLC from one to four — trading density against endurance and sustained-write speed: QLC is cheapest per gigabyte, TLC the mainstream balance, and the denser the cell the sooner sustained writes taper. On the controller: Crucial P5 2TB's controller is not stated, and Kingston KC3000 2TB uses the Phison E18. It is the chip handling error correction, wear-levelling and where each write lands — much of how a drive holds up under load — even if the part number on its own tells you little. On the cover: Crucial P5 2TB does not state one, Kingston KC3000 2TB carries a 5-year warranty. The length is the maker's own vote of confidence, and on an SSD it tends to track the endurance rating — a longer warranty usually meaning more rated writes.
Which to buy
With a price missing for at least one side, there is no cost verdict to give. What separates two otherwise-similar drives is up in the sections above — sustained and random behaviour, whether there is a DRAM cache, the flash tier and the warranty — so weigh those against what your build needs.
Common questions about this pair
- Which is faster, Crucial P5 2TB or Kingston KC3000 2TB?
- Crucial P5 2TB is rated 7000 MB/s read and 6000 MB/s write; Kingston KC3000 2TB, 7000 MB/s read and 7000 MB/s write. These are peak sequential rates over PCIe — the speed you would see copying one large file. For boot, app launches and everyday feel, random access matters more than this headline figure.
- Should you buy Crucial P5 2TB or Kingston KC3000 2TB?
- With a price missing for at least one side, there is no cost verdict to give. What separates two otherwise-similar drives is up in the sections above — sustained and random behaviour, whether there is a DRAM cache, the flash tier and the warranty — so weigh those against what your build needs.