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

Posted on May 23, 2026 by Raymond Chen

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.

MSI Spatium M450 1TB - Budget PCIe 4.0 NVMe SSD

Controller & Memory

The MSI Spatium M450 1 TB pairs Phison's four-channel PS5019-E19T controller with 3D TLC NAND in a DRAM-less Host Memory Buffer (HMB) configuration. The E19T is Phison's budget PCIe 4.0 part - a leaner, lower-power chip than the eight-channel PS5018-E18 that powers flagship drives - and is the same controller used in the Corsair MP600 GS, the OEM Predator GM7000, and several other low-cost PCIe 4.0 drives. The PCB is single-sided M.2 2280, fits any modern motherboard slot, and consumes modestly less power than DRAM-equipped flagships.

MSI ships the Spatium M450 in 500 GB, 1 TB, and 2 TB capacities. Sequential reads peak at 3,600 MB/s across the line on the spec sheet, with writes dropping on the 500 GB SKU because of reduced NAND parallelism. The 1 TB is the value sweet spot in the range: enough capacity for a primary boot drive and 12-18 modern games, with full rated speeds and a useful 600 TBW endurance window. MSI sells the drive worldwide through standard retail channels and supports it through the MSI Center utility for firmware updates and basic monitoring.

The Spatium M450 1 TB targets mainstream gaming and productivity builders who want PCIe 4.0 generation features (DirectStorage support, NVMe 1.4 protocol, modern controller) without paying flagship prices. Its direct rivals are the WD Black SN770 1 TB (similar tier, slightly faster reads), the Crucial P3 Plus 1 TB (lower writes, longer-running HMB cache), the Kingston NV2 1 TB (variable NAND silicon lottery, lower TBW), and the Samsung 980 1 TB. Within that field the M450 holds the budget-PCIe-4.0 middle ground - faster than entry tier but materially slower than DRAM-equipped flagships.

Storage Comparisons:

Best Deal of 1 TB SSDs NVME Best PCIe 4.0 SSD Drive Top 2 TB SSDs

Spatium M450 Performance & Benchmarks

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.

Performance comparison

MSI Spatium M450 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
MSI Spatium M450 1 TB (this drive): 3,600 MB/s read, 3,000 MB/s write

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.

MSI Spatium M450 vs Competitors

See how the Spatium M450 stacks up against other M.2 4.0 x 4 drives in our database:

Compare with rival drives:

Western Digital Black SN750 SE 1 TB Micron 2450 1 TB Kingston NV2 1 TB

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.

MSI Spatium M450 1 TB Specifications

Category	Value
Capacity [?]	1 TB
Interface [?]	M.2 4.0 x 4
Controller [?]	Phison E19T
Memory type [?]	TLC
DRAM [?]	HMB
Read speed (MB/s) [?]	3600
Write speed (MB/s) [?]	3000
Read IOPS [?]	420000
Write IOPS [?]	550000
Endurance (TBW) [?]	600
MTBF (million hours) [?]	1500000
Warranty (years) [?]	5

Verdict: Is the Spatium M450 Worth It in 2026?

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.

+ 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

4.5 / 5 · 78 votes

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Video Review

MSI Spatium M450 NVMe M 2 SSD Review

Frequently Asked Questions

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.

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.

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.

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.

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.

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.

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.