Corsair MP600 GS 1TB: Mid-Range DRAM-less NVMe (2026)

Posted on August 01, 2026 by Raymond Chen

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.

Corsair MP600 GS 1TB: Mid-Range DRAM-less NVMe

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.

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.

Performance comparison

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:

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

4.4 / 5 · 70 votes

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Video Review

Corsair MP600 GS mainstream SSD with capacities of up to 2TB, the 1TB capacity goes for about $100

Frequently Asked Questions

It works for typical gaming and as a primary drive, with PCIe 4.0 read speeds fast enough for quick game loads. Independent reviews of the larger 2TB MP600 GS found its real-world performance middling compared to other PCIe 4.0 drives, so buyers chasing the fastest game load times should look elsewhere.

No. It's a DRAM-less design across the whole capacity range, using Host Memory Buffer to borrow a portion of system RAM for mapping tables instead of an onboard DRAM chip. This is the main way Corsair keeps the MP600 GS priced below its DRAM-equipped MP600 Pro NH line.

Sony requires PCIe 4.0 NVMe storage rated at 5,500 MB/s or faster reads. The MP600 GS 1TB's 4,800 MB/s rating falls short of that threshold, so it's not a suitable PS5 expansion drive; Corsair's own MP600 Elite or Pro NH lines are better suited for that use case.

The 1TB model is rated for 600 TBW, backed by a full 5-year warranty. For a typical desktop workload writing 30 to 50GB per day, that endurance rating would take roughly 33 to 55 years to exhaust, comfortably outlasting the warranty period.

No. Its DRAM-less design and moderate write speed generate less sustained heat than flagship-tier drives, and the single-sided form factor runs cool enough for most desktop and laptop installs without a dedicated heatsink. A basic motherboard M.2 cover still helps in cases with limited airflow.

The 1TB reaches 3,900 MB/s writes and 580,000/800,000 random IOPS, ahead of the 500GB's 3,500 MB/s and 450,000/700,000 IOPS, since more NAND dies give the controller more room to parallelize. Endurance also scales up with capacity, from 300 TBW at 500GB to 600 TBW at 1TB.

Both are budget-to-mid DRAM-less PCIe 4.0 drives with broadly similar pricing and target buyers at this capacity. Independent reviews of the MP600 GS line have been mixed on real-world performance, so buyers should compare current independent benchmarks for both drives rather than assuming the Corsair name guarantees an edge.

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