WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

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What to look for:
  • NVMe SSD for OS and games (fastest)
  • SATA SSD for budget storage
  • HDD for mass storage (photos, videos) at low cost
💰 Minimum 1TB NVMe for gaming. Add a 2TB+ HDD for media if needed
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ProductTypeCapacityReadValuePrice
WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe Storage
WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe
WD0🔥 DEAL -$1125
NVMe
4TB
7.3GB/s
C
$1724.99
$599.99
Specifications
UPC619659193454
Model #WDBB9G0040BNC-WRSN
Capacity4TB
FormM.2 2280
InterfaceNVMe
PCIeGen4
Read7.3GB/s
Write6.6GB/s
nandTLC
HeatsinkNo
TypeNVMe
DRAM CacheYes
RPM7200
value18
pcieGen4
PERFORMANCE
55%
Customer Reviews★★★★★5.0 · 5 reviews
★★★★★I can’t wait for the price to go down
They do what they promised it would do it just over price that’s all
Maxwellpms · 2026-05-09 · via bestbuy
★★★★★Fast and Reliable Storage Upgrade
Super easy to install and the performance boost was instantly noticeable. Fast load times, smooth performance, and great value for the money. Highly recommend for anyone upgrading their PC
DanielG · 2026-05-09 · via bestbuy
★★★★★The best buy for your computer
Necessary to build your computer, I’m glad I was able to grab this quality product at Best Buy
BBDollarsExpert · 2026-05-08 · via bestbuy
★★★★★Review
The item is exactly what I wanted and works just as described.
Tony · 2026-05-06 · via bestbuy
★★★★★A very solid choice
Very easy to install and format. Quick speeds, not too hot, would recommend
Justin · 2026-05-01 · via bestbuy
Buy Now
Best Buy
✓ In Stock
$599.99
Buy →
Amazon
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MSI
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Newegg
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VALUE SCORE
C
9.2
Average value
Performance (55%) ÷ Price ($599.99) = 9.2
S ≥28 · A ≥20 · B ≥14 · C ≥8 · D <8
💰
Below MSRP
Was $1724.99 → $599.99
65% off
WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe Storage
CONSIDER INSTEAD
SAVE $56098% of this product's perf
S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatib...
Cap
128
Read
550MB/s
Type
NVMe
$39.99
+28% FASTER$520.99 cheaper
Sabrent Rocket 4 Plus 1TB NVMe Gen4
Cap
1000
Read
7100MB/s
Type
NVMe
$79