# MSI Spatium M450 1TB - Budget PCIe 4.0 NVMe SSD (2026)

The MSI Spatium M450 1TB is a budget PCIe 4.0 NVMe built on the Phison PS5019-E19T DRAM-less controller - 3,600 MB/s reads, 600 TBW endurance, and a five-year warranty at near-PCIe-3.0 pricing.

Quick answer: The MSI Spatium M450 1 TB is a sensible mainstream pick for builders who want PCIe 4.0 generation features at a price closer to PCIe 3.0. Buyers chasing peak performance should step up to the WD Black SN770 1 TB or Samsung 980 1 TB, both of which deliver materially higher sequential reads at a modest price premium. Skip the M450 if your workload is sustained large-file writes greater than 200 GB at a time, or if you need a DRAM-equipped drive for heavy random-write workloads - in that case the Crucial T500 1 TB is the better fit. As a value mainstream PCIe 4.0 NVMe at 1 TB the Spatium M450 covers boot, gaming, and general productivity competently with a five-year warranty.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 1 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Phison E19T |
| Memory type | TLC |
| DRAM cache | HMB |
| Sequential read | 3600 MB/s |
| Sequential write | 3000 MB/s |
| Random read IOPS | 420000 |
| Random write IOPS | 550000 |
| Endurance | 600 TBW |
| MTBF | 1500000 |
| Warranty | 5 years |

## Performance

Manufacturer ratings for the Spatium M450 1 TB land at 3,600 MB/s sequential reads and 3,000 MB/s sequential writes, with random performance up to 420,000 read and 550,000 write IOPS. Those numbers sit well above any PCIe 3.0 drive but below the 5,000+ MB/s class of the WD Black SN770 1 TB. Independent reviewers at Guru3D, TweakTown and WCCFTech consistently measured CrystalDiskMark sequential reads within a few percent of the rating, with the drive demonstrating snappy QD1 random response thanks to the E19T's efficient command-handling.

Sustained writes show the DRAM-less HMB design's main limitation. With a 1 TB capacity the drive holds peak SLC-cached writes for roughly 100-150 GB of continuous transfer before the cache exhausts and writes drop into TLC direct-write territory around 800-1,100 MB/s. That profile is invisible for boot, application, and gaming workloads - and even for moderate file copies. For sustained capture or large dataset moves the limit matters; pair the M450 with a TLC-direct-write target if your workload routinely hits 200+ GB single-shot writes. The drive also runs unusually cool because the four-channel E19T has lower steady-state power consumption than DRAM-equipped flagships, which is useful in tight thermal envelopes including laptops and HTPC builds. DirectStorage operates as expected on a supported PCIe 4.0 platform.

## Endurance, TBW & Warranty

MSI rates the Spatium M450 1 TB at 600 TBW (terabytes written) over a five-year limited warranty. The TBW scales linearly across the range at 600 TBW per terabyte of capacity. At a heavy 50 GB/day sustained write workload the budget lasts roughly 33 years - well past the warranty window - and a typical desktop user writing 10-20 GB/day will not approach it before the drive ages out. The published MTBF rating is in the 1.5 million-hour range typical of PCIe 4.0 budget drives, a population statistic rather than a per-drive promise. MSI handles consumer RMA directly through msi.com's support portal with serial number registration, and the company maintains a global distribution footprint that simplifies returns relative to OEM-only or regional brands. The 600 TBW figure matches the WD Black SN770 1 TB and trails the Samsung 990 Pro 1 TB at the same capacity.

## Pros and Cons

**Pros:**

- 3,600 MB/s sequential reads on PCIe 4.0
- 600 TBW endurance with 5-year warranty
- Phison PS5019-E19T controller
- 550,000 IOPS rated random writes
- Low power consumption, runs cool under load
- Global retail availability and direct MSI RMA
**Cons:**

- DRAM-less HMB lags on heavy random writes
- 3,600 MB/s reads trail WD Black SN770 1 TB
- SLC cache exhausts after ~150 GB continuous writes
- No included heatsink in retail box
- No hardware encryption advertised


## Verdict

The MSI Spatium M450 1 TB is a sensible mainstream pick for builders who want PCIe 4.0 generation features at a price closer to PCIe 3.0. Buyers chasing peak performance should step up to the WD Black SN770 1 TB or Samsung 980 1 TB, both of which deliver materially higher sequential reads at a modest price premium. Skip the M450 if your workload is sustained large-file writes greater than 200 GB at a time, or if you need a DRAM-equipped drive for heavy random-write workloads - in that case the Crucial T500 1 TB is the better fit. As a value mainstream PCIe 4.0 NVMe at 1 TB the Spatium M450 covers boot, gaming, and general productivity competently with a five-year warranty.

## Frequently Asked Questions

### Is the MSI Spatium M450 1TB good for gaming?

Yes, for mainstream gaming it is well-suited. The M450 1 TB delivers 3,600 MB/s sequential reads on PCIe 4.0, which is more than fast enough for current game asset streaming, level loads, and Steam library installs. Game load times sit within a couple of seconds of higher-tier drives such as the WD Black SN770 1 TB or Samsung 980 1 TB on most titles. DirectStorage GPU decompression works as expected on a supported PCIe 4.0 platform. The 1 TB capacity holds 12-18 modern triple-A games, which is adequate for a primary gaming drive. Heavy library hoarders should look at the 2 TB Spatium M450 instead.

### Is the MSI Spatium M450 1TB compatible with the PS5?

Just barely. Sony's PS5 expansion slot recommends a PCIe 4.0 NVMe drive rated at 5,500 MB/s or higher sequential reads, plus the M.2 2280 form factor and dimensions within 110 x 25 x 11.25 mm including heatsink. The M450 falls under the recommended bandwidth threshold at 3,600 MB/s, so while the PS5 firmware will accept it and games will install, Sony does not recommend it and loading screens will be slower than on a properly compliant drive. For PS5 expansion buy a WD Black SN770 1 TB, Crucial T500 1 TB, or Samsung 990 Pro 1 TB instead - those meet or exceed the bandwidth target.

### Does the MSI Spatium M450 have a DRAM cache?

No, the M450 is a DRAM-less design using Host Memory Buffer (HMB). HMB borrows a small slice of system RAM, typically 64 MB, to hold the logical-to-physical mapping table that a dedicated DRAM cache would otherwise carry. The trade-off is cost: MSI uses the savings to position the M450 below the WD Black SN850X and Samsung 990 Pro on price. The practical penalty is modest on modern Windows or Linux platforms for everyday workloads, but more visible on heavy sustained random writes, NTFS metadata churn, and very large indexing operations.

### What is the TBW endurance of the MSI Spatium M450 1 TB?

MSI rates the 1 TB Spatium M450 at 600 TBW (terabytes written) over the five-year warranty period. The TBW figure scales linearly at 600 TBW per terabyte of capacity, so the 500 GB SKU is 300 TBW and the 2 TB SKU is 1,200 TBW. At a heavy 50 GB/day sustained write workload the 1 TB endurance lasts roughly 33 years - well beyond the warranty window - and an average desktop user writing 10-20 GB/day will never approach the limit. The endurance matches the WD Black SN770 1 TB and Crucial P5 Plus 1 TB, and exceeds the Kingston NV2 1 TB.

### How does the MSI Spatium M450 compare to the WD Black SN770?

The WD Black SN770 1 TB is the closest direct comparison. Both are DRAM-less HMB designs with 600 TBW endurance and a five-year warranty. The SN770 hits 5,150 MB/s sequential reads versus the M450's 3,600 MB/s, and 4,900 MB/s writes versus 3,000 MB/s - the SN770 is the noticeably faster drive on raw speed. The M450 typically retails for less and runs slightly cooler under load thanks to its budget controller and lower peak performance. For a tight budget the M450 is the value pick; for any workload that benefits from higher sequential throughput, the SN770 is the better buy.

### Does the MSI Spatium M450 1 TB need a heatsink?

Usually no, even bare. The Phison PS5019-E19T is a four-channel design that draws materially less power than an eight-channel flagship controller; reviewers consistently find the M450 avoids thermal throttling under typical gaming and application loads without active cooling. Desktop builds with the motherboard's M.2 heatsink installed will not see throttling at all. Laptops with poorly ventilated M.2 slots may see modest throttling on extended sustained writes; for a PS5 expansion install, add a third-party heatsink that fits the 11.25 mm height budget regardless of drive selection.

### Is the MSI Spatium M450 1 TB worth it over the Crucial P3 Plus 1 TB?

The two compete head-to-head as budget PCIe 4.0 drives. The Crucial P3 Plus 1 TB lists higher sequential reads at around 5,000 MB/s versus the M450's 3,600, and similar TBW at 220 TBW per terabyte. The M450 has the higher TBW figure at 600 versus 220 TBW for the P3 Plus 1 TB, which is significant for write-heavy workloads. Crucial's reputation for support and the Storage Executive utility may matter to some buyers; MSI's broader gaming ecosystem (motherboards, GPUs, peripherals) may matter to others. For pure speed pick the P3 Plus; for pure endurance pick the M450.

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Last updated: 2026-05-23. Source: https://ssdrive.net/msi-spatium-m450-1-tb