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Western Digital

WD Blue SN5100 1TB M.2 PCIe 4.0 NVMe 7100/6700 MB/s (Boxed)

SKU 77241 Brand Western Digital EAN13 0718037906256
WD Blue SN5100 1TB M.2 2280 PCIe 4.0 x4 NVMe SSD. Up to 7100 MB/s read, 6700 MB/s write. QLC 3D NAND, DRAM-less with HMB & nCache 4.0. 600 TBW, for PC/laptop.
Storage (SSD & HDD) - Device Type Internal SSD
Storage (SSD & HDD) - Capacity 1TB
Storage (SSD & HDD) - Sequential Read Speed (SSD) 5001 to 7000 MB s
Storage (SSD & HDD) - DRAM Cache (SSD) None (DRAM-less)
Storage (SSD & HDD) - Interface PCIe 4.0 (Gen4)
Storage (SSD & HDD) - Heatsink (SSD) Not Included
Storage (SSD & HDD) - Form Factor M.2 2280
Storage (SSD & HDD) - PCIe Lanes (SSD) x4

The WD Blue SN5100 is a high-performance PCIe 4.0 NVMe SSD designed for everyday computing in PCs and laptops. This 1TB model delivers sequential read speeds up to 7100 MB/s and write speeds up to 6700 MB/s, with random 4K performance reaching 1,000K read and 1,300K write IOPS. Built with SanDisk BiCS8 QLC 3D NAND and a DRAM-less controller using Host Memory Buffer (HMB) and nCache 4.0 hybrid SLC cache, it sustains performance during large transfers while running cool at under 4W.

Ideal for gamers, content creators, and general users seeking Gen4 speeds without premium cost. It offers 600 TBW endurance, 1.75M hours MTBF, TCG Pyrite security, and 5-year warranty. Single-sided M.2 2280 form factor ensures compatibility with most modern motherboards. Includes free SanDisk SSD Dashboard and Acronis migration software.

  • ✅ PCIe 4.0 x4 NVMe 2.0 interface
  • ✅ No heatsink required (low power)
  • ✅ Hardware encryption support
  • ✅ Excellent random IOPS for fast app loading
Supported Security AlgorithmsTCG Pyrite
SSD Capacity1 TB
SSD Form FactorM.2
InterfacePCI Express 4.0
FeatureHardware encryption
Memory TypeQLC 3D NAND
Component forPC/Laptop
M.2 SSD Size2280 (22 x 80 mm)
Sequential Read Speed7100 MB/s
Sequential Write Speed6700 MB/s
Random Read (4KB)1000000 IOPS
Random Write (4KB)1300000 IOPS
PCI-Express Interface Data Lanesx4
Mean Time Between Failures (MTBF)1750000 h
TBW Rating600
Average Power Consumption (Read)3.9 W
Average Power Consumption (Write)3.9 W
Power Consumption (idle)0.004 W
Width22 mm
Depth80 mm
Height2.38 mm
Weight5.7 g
Package Width101.6 mm
Package Depth21 mm
Package Height126 mm
Package Weight49 g
Package TypeBox
Operating Temperature0 - 85 °C
Storage Temperature Range-40 - 85 °C
Operating Vibration5 G
Non-Operating Vibration4.9 G
Operating Shock1500 G
Compliance CertificatesBSMI, CB, CE, FCC, ICES, KCC, RCM, RoHS, UKCA, UL, VCCI
NVMe Version2.0
DRAM CacheNone (DRAM-less, uses HMB)
NAND TechnologySanDisk BiCS8 QLC 3D CBA NAND
ControllerSanDisk Polaris 3 (DRAM-less)
Cache TechnologynCache 4.0 (hybrid SLC)
Warranty5 years