Western Digital

Capacity 1 TB Interface SATA III Sequential Read Performance 560MB/s Sequential Write Performance 520MB/s

Capacity 500 GB Interface SATA III Sequential Read Performance 560MB/s Sequential Write Performance 510MB/s

Capacity 1 TB Interface SATA III Sequential Read Performance 560MB/s Sequential Write Performance 520MB/s

Capacity 250 GB Interface SATA III Sequential Read Performance 555MB/s Sequential Write Performance 440MB/s

Capacity 1 TB Form Factor M.2 2280 Interface PCIe Gen4 x4 Sequential Read Performance 5150MB/s Sequential Write Performance 4900MB/s Random Read 7400004KB IOPS Random Write 8000004KB IOPS Compatibility System Requirements Computer with M.2 (M-key) port, capable of taking M.2 2280 form factor Windows 11, Windows 10, Windows 8.1 Note: Compatibility may vary depending on users hardware configuration and operating system. In The Box WD_BLACK SN770 NVMe SSD

Capacity 250 GB Form Factor M.2 2280 Interface PCIe Gen3 x4 NVMe v1.4 Sequential Read Performance 3300MB/s Sequential Write Performance 1200MB/s Endurance (TBW) 150

Capacity 2 TB Form Factor M.2 2280 Interface PCIe Gen4 x4 Sequential Read Performance 5150MB/s Sequential Write Performance 4850MB/s Random Read 7400004KB IOPS Random Write 8000004KB IOPS Compatibility System Requirements Computer with M.2 (M-key) port, capable of taking M.2 2280 form factor Windows 11, Windows 10, Windows 8.1 Note: Compatibility may vary depending on users hardware configuration and operating system. In The Box WD_BLACK SN770 NVMe SSD

Capacity 2 TB Form Factor M.2 2280 Interface PCIe Gen4 x4 Sequential Read Performance 7300MB/s Sequential Write Performance 6600MB/s Random Read 12000004KB IOPS Random Write 11000004KB IOPS Endurance (TBW) 1200 Compatibility Computer with M.2 (M-key) port, capable of taking M.2 2280 form factor Windows 11, 10, 8.1 PlayStation 5 (Heatsink model only) 4 Note: Compatibility may vary depending on users hardware configuration and operating system. Note4: For PS5 TM firmware compatibility, please visit http://wdblack.com/SN850HS-PS5. Item Dimension (L inchxW inchxH inch) 4 x 1 x 1 Weight 1.00 lb

Capacity 1 TB Form Factor M.2 2280 Interface PCIe Gen4 x4 Sequential Read Performance 7300MB/s Sequential Write Performance 6300MB/s Random Read 8000004KB IOPS Random Write 11000004KB IOPS Endurance (TBW) 600 Compatibility Computer with M.2 (M-key) port, capable of taking M.2 2280 form factor Windows 11, 10, 8.1 PlayStation 5 (Heatsink model only) 4 Note: Compatibility may vary depending on users hardware configuration and operating system. Note4: For PS5 TM firmware compatibility, please visit http://wdblack.com/SN850HS-PS5.

Specifications Interface PCIe Gen3 8Gb/s, up to 4 lanes Formatted Capacity 2TB Performance Sequential Read MB/s up to (Q is 32, T is 1) 3,400 Sequential Write MB/s up to (Q is 32, T is 1) 2,900 Random Read 4KB IOPS up to (Q is 32, T is 8) 480K Random Write 4KB IOPS up to (Q is 32, T is 8) 550K Endurance (TBW) 1,200 Power Peak Power (10us) 2.8A PS3 (low power) 100mW Sleep (PS4) (low power) 2.5mW Reliability MTTF 1,750,000 hours (Telcordia SR-332, GB, 40 o C) Environmental Operating Temperature 32 o F to 158 o F (0 o C to 70 o C) Non-operating Temperature -67 o F to 185 o F (-55 o C to 85 o C) Certifications FCC, UL, TUV, KCC, BSMI, VCCI, C-Tick Physical Dimensions - M.2 2280 with Heatsink Form Factor M.2 2280-S3-M with Heatsink

Model Mumber WD4003FFBX Interface SATA 6Gb/s Formatted 4TB Form factor 3.5 inch Advanced Format Yes Native command queuing yes RoHS compliant Yes Performance Interface transfer rate (max) Buffer to host 6Gb/s Host to/from drive (sustained) 217MB/s Cache(MB) 256 Performance Class 7200RPM Class Reliability/Data Integrity Load/unload Cycles 600000 Non-recoverable read errors per bits read <10 in 10 15 MTBF(hours) for 8-24 bay NAS 1000000 Workload Rate(TB/yr) 300 Power Management 12VDC-/+10%(A, peak) 1.79 Average power requirements(W) Read/Write 7.2 Idle 3.7 Standby/Sleep 0.4 Environmental Sepcifications Temperature( o c) Operating 5 to 60 Non-operating -40 to 70 Shock(Gs) Operating(2 ms,read/write) 30 Operating(2 ms,read) 65 Non-operating (2 ms) 300 Acoustics (dBA) 9 Idle 29 Seek (average) 36 Item Dimension 6 x 4 x 2 Weight 1.58 LB

MPN WD40EZAZ Capacity 4 TB Interface SATA Form Factor 3.5 Inch Cache Size 256 MB Disk Speed (RPM) 5400rpm Compatibility Windows 10. Windows 8.1, Windows 7 macOS High Sierra TM , Sierra El Capitan Note: Compatibility may vary depending on users hardware configuration and operating system. Acronis TM True Image TM WD Edition designed to work with Windows systems only.

MPN WD30EFZX Capacity 3 TB Cache Size 128 MB Disk Speed (RPM) 5400rpm Interface SATA Cache Size (MB) 128MB Transfer Rate up to 175MB/s Compatibility Designed with CMR technology for small or medium-sized businesses in RAID-optimized NAS systems with up to 8 bays. Perfect for handling increased workloads, including expanded OS compatibility and ZFS.

MPN WD40EFAX Capacity 4 TB Interface SATA Transfer Rate up to 180MB/s Form Factor 3.5 in Cache Size 256 MB Disk Speed (RPM) 5400rpm Compatibility WD Red NAS Hard Drives are designed specifically for NAS systems that have 1 to 8 drive bays in both 3.5-inch and 2.5-inch form factors.

MPN WD10SPSX Interface SATA 6 Gb/s Formatted capacity 1,000,204MB User sectors per drive 1,953,525,168 Form factor 2.5-inch Advanced Format (AF) Yes RoHS compliant Yes Performance Data transfer rate (max) Interface Speed 6 Gb/s Cache (MB) 64 Performance Class 7200 RPM Average Drive Ready Time (sec) 3.8 Reliability/Data Integrity Load/unload cycles 600,000 Non-recoverable read errors per bits read <1 in 10 14 Power Management 5VDC +/- 10% (A, peak) 1.1 Average power requirements (W) Read/Write 2.0 Idle 0.85 Standby and Sleep 0.25 Environmental Specifications Temperature ( o C) Operating 0 to 65 Non-operating -40 to 65 Acoustics (dBA) Idle 24 Seek (average) 25

MPN WD20SPZX Capacity 2 TB Interface SATA 6Gb/s Form Factor RPM Class 5400RPM

MPN WD10SPZX Interface SATA 6 Gb/s Formatted capacity 1TB Form factor 2.5-inch Advanced Format (AF) Yes RoHS compliant 1 Yes Buffer to host 6 Gb/s Host to/from drive (sustained) 130 MB/s (nominal) Cache (MB) 128 Performance Class 5400 RPM Class Load/unload cycles2 600,000 Non-recoverable read errors per bits read <1 in 10 14 Read/Write 1.5 W Idle 0.5 W Standby/Sleep 0.1 W Operating ( o C) 0 to 60 Non-operating ( o C) -40 to 65 Operating (2 ms, read/write) 300G Non-operating (2 ms) 650G Idle 19 Seek (average) 21

MPN WD10EZEX Interface SATA 6Gb/s Formatted Capacity 1,000,204 MB User Sectors per Drive 1,953,525,169 SATA Latching Connector Yes Form Factor 3.5 inch RoHS Compliant Yes Performance Data Transfer Rate (Max) Buffer to Host: 6 Gb/s Host to/from Drive (Sustained): 150MB/s Cache (MB): 64 Rotational Speed (RPM): 7200 Reliability/Data Integrity Load/Unload Cycles: 300,000 Non-Recoverable Read Errors Per Bits Read: <1 in 10M Power Management 12VDC Peak (A, 10%): 2.5 Average Power Requirements (W) Read/Write: 6.8 Idle: 6.1 Standby: 1.2 Sleep: 1.2 Environmental Specifications Temperature (C) Operating: 0 to 60 Non-Operating: -40 to 70 Shock (GS) Operating (2ms read/write): 30 Operating (2ms Read): 65 Non-Operating (1ms): 350 Average Acoustics (dBA) Idle Mode: 29 Performance Seek Mode: 30

MPN WD2003FZEX Stock code ISwbd2000 Brand Western Digital Series Black Model WD2003FZEX ROHS Y Type SATA 6Gb/s Capacity 2TB Form factor / drive height 1" RPM 7200rpm Platter size 3.5" Cache 64MB Read speed (Max) 164 Main Type (Socket) SATA