# Corsair Force MP400 2TB — QLC NVMe SSD Review (2026)

The Corsair Force MP400 2TB brings QLC NAND to the mainstream, offering large capacities at consumer-friendly prices — but the QLC trade-offs in endurance and sustained write performance are real.

Quick answer: Gamers and general desktop users who want high-capacity NVMe storage with burst speeds matching TLC alternatives will find the Corsair Force MP400 2 TB a solid pick, especially if sustained writes rarely exceed 500 GB at a time. Video editors and content creators working with large media files should step up to a TLC drive like the Samsung 970 EVO Plus or WD Black SN770, both of which sustain writes at speed long after the MP400 SLC cache runs dry. For the price-sensitive buyer focused on reads and everyday responsiveness, the MP400 2 TB delivers where it counts most and is one of the better QLC options at this capacity.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 2 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison E16 |
| Memory type | Micron 96L QLC |
| DRAM cache | DDR3L |
| Sequential read | 3480 MB/s |
| Sequential write | 3000 MB/s |
| Random read IOPS | 380000 |
| Random write IOPS | 560000 |
| Endurance | 400 TBW |
| MTBF | 1.8 |
| Warranty | 5 years |

## Performance

The Corsair Force MP400 2TB is rated at up to 3,480 MB/s sequential reads and 3,000 MB/s sequential writes. In testing, the drive hits these numbers in optimal conditions — KitGuru measured 3,497 MB/s reads and 3,010 MB/s writes in their sequential tests. ATTO results were slightly lower at 3,190/2,830 MB/s.

Random 4K performance is rated at up to 380K IOPS reads and 560K IOPS writes. In practice, standard 4-threaded tests show around 161K read IOPS and 271K write IOPS at QD32. With 8-threaded testing, read IOPS climb to 424K, exceeding the rated figure.

The SLC cache handles burst writes well, but QLC NAND's direct write speed is significantly lower than TLC. During sustained writes that exceed the cache, throughput drops noticeably. This is the main QLC trade-off — fast for typical consumer workloads, but slower than TLC under heavy, sustained write pressure.

Thermals are a concern: without a heatsink, the MP400 reached 73°C in testing, exceeding the 70°C operating limit. With a third-party heatsink, temperatures dropped to 43–49°C. A heatsink is strongly recommended.

## Endurance, TBW & Warranty

Corsair covers the Force MP400 2 TB with a five-year limited warranty, ending at 400 TBW of writes or the warranty period, whichever comes first. At 20 GB of writes per day, the 400 TBW budget lasts roughly 54 years, well beyond any realistic consumer usage scenario. Even at a heavier 50 GB per day, the endurance ceiling is over 21 years. The MP400 uses Phison SmartECC third-generation LDPC error correction and SmartRefresh for periodic block refresh. Factory overprovisioning of approximately 9 percent of the raw NAND capacity helps maintain consistent performance and reliability over the service life. For comparison, TLC-based 2 TB drives like the Samsung 970 EVO Plus carry 1,200 TBW, roughly triple the MP400 rated endurance, reflecting the lower program-erase cycle rating of QLC cells.

## Pros and Cons

**Pros:**

- 3,480 MB/s reads — near the PCIe 3.0 ceiling
- Available up to 8TB capacity
- 5-year warranty
- AES 256-bit hardware encryption
- Competitive price per gigabyte
**Cons:**

- QLC NAND: 550 TBW is lower than TLC competitors
- Sustained write speed drops after SLC cache exhausts
- No included heatsink — runs hot under load
- Double-sided PCB may not fit all laptops
- 1TB model has much lower write speed (1,880 MB/s)


## Verdict

Gamers and general desktop users who want high-capacity NVMe storage with burst speeds matching TLC alternatives will find the Corsair Force MP400 2 TB a solid pick, especially if sustained writes rarely exceed 500 GB at a time. Video editors and content creators working with large media files should step up to a TLC drive like the Samsung 970 EVO Plus or WD Black SN770, both of which sustain writes at speed long after the MP400 SLC cache runs dry. For the price-sensitive buyer focused on reads and everyday responsiveness, the MP400 2 TB delivers where it counts most and is one of the better QLC options at this capacity.

## Frequently Asked Questions

### Is the Corsair Force MP400 2TB good for gaming?

The MP400 2 TB handles gaming well. Game load times are dominated by sequential and random reads, where the drive delivers 3,480 MB/s and 380K IOPS respectively. These figures match or exceed most TLC PCIe 3.0 drives in burst performance. The only limitation appears during sustained large-file writes above 500 GB, such as downloading and extracting multiple large game files simultaneously, where QLC write speeds drop noticeably below TLC drives.

### Is the Corsair Force MP400 2TB compatible with the PS5?

The MP400 2 TB meets Sony published PS5 requirements: it is an M.2 2280 NVMe SSD with PCIe 4.0 x4 interface, a single-sided PCB that fits the 11.25 mm height envelope, and 3,480 MB/s read speed. Sony does not list the MP400 specifically on its compatibility page, but the drive meets all published hardware specifications. An aftermarket heatsink is needed since the MP400 ships without one, and the total height including heatsink must stay under 11.25 mm.

### Does the Corsair Force MP400 2TB have a DRAM cache?

Yes, the MP400 2 TB includes a Nanya DDR3L DRAM chip for the flash translation layer. The DRAM-to-NAND ratio runs at half the typical 1 MB per 1 GB standard, suggesting Phison uses some form of FTL table compression or metadata prioritization. The drive also uses a dynamic SLC cache that spans roughly one-quarter of the available NAND space to accelerate burst writes before falling back to native QLC write speed.

### What is the TBW endurance of the Corsair Force MP400 2TB?

Corsair rates the MP400 2 TB at 400 TBW (terabytes written) over its five-year warranty period. At a typical consumer workload of 20 GB per day, that translates to roughly 54 years of use. At a heavier 50 GB per day, the endurance still lasts over 21 years. The 400 TBW is lower than TLC-based 2 TB drives like the Samsung 970 EVO Plus at 1,200 TBW because QLC NAND has fewer program-erase cycles per cell than TLC NAND.

### How does the Corsair Force MP400 2TB compare to the Sabrent Rocket Q 2TB?

Both drives use Phison controllers with Micron QLC NAND, but the MP400 2 TB uses the Phison E16 on PCIe 4.0 while the Rocket Q uses the Phison E12S on PCIe 3.0. The MP400 has a slight interface advantage on PCIe 4.0 systems. Both suffer similar QLC write slowdowns after the SLC cache fills. The Rocket Q carries a slightly higher endurance rating at 600 TBW versus the MP400 400 TBW, making the Sabrent drive the better pick if endurance is a priority. Performance is very similar between the two in practice.

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Last updated: 2026-05-17. Source: https://ssdrive.net/corsair-force-mp400-2-tb