Corsair MP600 GS 1TB: Mid-Range DRAM-less NVMe (2026)
The Corsair MP600 GS 1TB is a DRAM-less, mid-range PCIe 4.0 NVMe SSD rated for 4,800 MB/s reads, positioned below Corsair's flagship MP600 Elite and Pro NH lines.

Controller & Memory
The MP600 GS 1TB runs a 4-channel Phison PS5021-E21T controller with Micron 176-layer 3D TLC NAND and no onboard DRAM, relying on Host Memory Buffer for its mapping tables instead. This puts it in Corsair's entry-level PCIe 4.0 tier rather than the flagship-speed MP600 Elite or DRAM-equipped MP600 Pro NH, and independent reviews from Tom's Hardware and TweakTown of the larger 2TB capacity described it as a capable but unremarkable mid-range drive, with mixed benchmark results against pricier rivals.
Corsair sells the MP600 GS in 500GB, 1TB, and 2TB capacities. The 1TB reaches 3,900 MB/s writes and 580,000/800,000 random IOPS, ahead of the smaller 500GB's 3,500 MB/s and 450,000/700,000 IOPS, since more NAND dies give the controller more parallelism to work with at this capacity.
As a single-sided M.2 2280 drive with no onboard DRAM, the MP600 GS 1TB fits thin laptops and budget desktop builds as a primary drive. It competes against other budget-to-mid DRAM-less PCIe 4.0 drives like the Crucial P3 Plus and WD Blue SN580 at this capacity, rather than against Corsair's own flagship-tier lines. Buyers specifically choosing this drive over a non-Corsair rival are usually doing so for brand consistency within a Corsair-themed build, or because the 5-year warranty matches Corsair's pricier lines, rather than for a clear performance edge.
Storage Comparisons:
MP600 GS Performance & Benchmarks
The 1TB MP600 GS is rated for 4,800 MB/s sequential reads and 3,900 MB/s sequential writes, with random performance rated at 580,000 IOPS reading and 800,000 IOPS writing, ahead of the smaller 500GB capacity in the same line. Independent reviews of the larger 2TB MP600 GS found its real-world performance workmanlike rather than exceptional, sometimes trailing other DRAM-less PCIe 4.0 drives in mixed benchmark suites, so buyers should treat this line as a value-tier option rather than a performance pick.
Corsair MP600 GS 1 TB vs M.2 4.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 4.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Patriot Viper PV593 1 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 2 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV593 4 TB: 14,500 MB/s read, 14,000 MB/s write
- Patriot Viper PV573 2 TB: 14,000 MB/s read, 12,000 MB/s write
- Corsair MP600 GS 1 TB (this drive): 4,800 MB/s read, 3,900 MB/s write
Like other DRAM-less TLC drives, the MP600 GS leans on an SLC write cache and Host Memory Buffer to hit its rated write speed; once a sustained write outruns that cache, throughput drops toward native TLC write speed. Corsair doesn't publish the exact cache size for the 1TB capacity, so buyers moving very large files should expect some slowdown on long continuous transfers rather than a flat 3,900 MB/s the whole way. For everyday use, boot times and typical gaming should feel comparable to pricier drives despite the lower rated numbers, since those workloads rarely sustain long enough to expose the difference.
Corsair MP600 GS vs Competitors
See how the MP600 GS stacks up against other M.2 4.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
The 1TB MP600 GS carries a 600 TBW endurance rating and a full 5-year warranty, matching the warranty length of Corsair's pricier MP600 Elite and Pro NH lines despite the lower price point. At a realistic consumer workload of 30 to 50GB written per day, 600 TBW takes roughly 33 to 55 years to exhaust, comfortably outlasting the 5-year warranty window. Corsair's official spec sheet for this capacity does not publish an MTBF figure, so treat any population-level reliability number from third-party listings as an estimate rather than a Corsair-confirmed spec.
Corsair MP600 GS 1 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 1 TB |
| Interface [?] | M.2 4.0 x 4 |
| Controller [?] | Phison PS5021-E21T 4 Channel |
| Memory type [?] | Micron 176-L TLC |
| DRAM [?] | No |
| Read speed (MB/s) [?] | 4800 |
| Write speed (MB/s) [?] | 3900 |
| Read IOPS [?] | 580000 |
| Write IOPS [?] | 800000 |
| Endurance (TBW) [?] | 600 |
| MTBF (million hours) [?] | 1500000 |
| Warranty (years) [?] | 5 |
Verdict: Is the MP600 GS Worth It in 2026?
The MP600 GS 1TB suits budget builders who want a Corsair-branded PCIe 4.0 primary drive backed by a full 5-year warranty and don't need flagship-tier speed. Buyers who want stronger real-world benchmark results should look at Corsair's own DRAM-less MP600 Elite instead, which independent reviews rate more highly despite a similar DRAM-less design. The Crucial P3 Plus and WD Blue SN580 are close budget alternatives at this capacity with their own independent review track records. For a no-frills, Corsair-branded PCIe 4.0 drive with a full warranty, the MP600 GS 1TB is a reasonable, if unremarkable, pick.
+ Pros
- 4,800 MB/s sequential reads on PCIe 4.0
- Full 5-year warranty matching pricier Corsair lines
- 600 TBW endurance rating
- Low power draw from DRAM-less design
- Fits thin laptops without extra cooling
- Cons
- Mixed independent benchmark results for the line
- No onboard DRAM for mapping tables
- Write speed tapers once SLC cache fills
- No published MTBF figure from Corsair
- Trails Corsair's own MP600 Elite on paper
Buy this or similar SSD Storage:
Video Review
Corsair MP600 GS mainstream SSD with capacities of up to 2TB, the 1TB capacity goes for about $100