Capacity: | 250 GB |
---|---|
Variants: | 250 GB 500 GB 1 TB 2 TB |
Overprovisioning: | 23.2 GB / 10.0 % |
Production: | Active |
Released: | Jun 19th, 2023 |
Price at Launch: | 31 USD |
Part Number: | WDS250G3B0E |
Market: | Consumer |
Form Factor: | M.2 2280 (Single-Sided) |
---|---|
Interface: | PCIe 4.0 x4 |
Protocol: | NVMe 1.4 |
Power Draw: | Unknown |
Manufacturer: | WD |
---|---|
Name: | 20-82-10082-A1 Polaris MP16+ |
Architecture: | ARM Cortex-R |
Foundry: | TSMC FinFET |
Process: | 16 nm |
Flash Channels: | 4 @ 1,600 MT/s |
Chip Enables: | 4 |
Controller Features: |
HMB
(enabled)
|
Manufacturer: | Kioxia |
---|---|
Name: | BiCS5 |
Rebranded: | SanDisk |
Type: | TLC |
Technology: | 112-layer |
Speed: | 1200 MT/s |
Capacity: | 1 chip @ 2 Tbit |
Toggle: | 4.0 |
Topology: | Charge Trap |
Dies per Chip: | 4 dies @ 512 Gbit |
Planes per Die: | 2 |
Word Lines: |
128 per NAND String
87.5% Vertical Efficiency |
Read Time (tR): | 56 µs |
Program Time (tProg): | 484 µs |
Die Read Speed: | 571 MB/s |
Die Write Speed: | 66 MB/s |
Endurance: (up to) |
3000 P/E Cycles
(100000 in SLC Mode) |
Page Size: | 16 KB |
Block Size: | 1344 Pages |
Plane Size: | 448 Blocks |
Type: | None |
---|---|
Host-Memory-Buffer (HMB): | 200 MB |
Sequential Read: | 4,000 MB/s |
---|---|
Sequential Write: | 2,000 MB/s |
Random Read: | 240,000 IOPS |
Random Write: | 470,000 IOPS |
Endurance: | 150 TBW |
Warranty: | 5 Years |
MTBF: | 1.5 Million Hours |
Drive Writes Per Day (DWPD): | 0.3 |
SLC Write Cache: | Yes |
TRIM: | Yes |
---|---|
SMART: | Yes |
Power Loss Protection: | No |
Encryption: |
|
RGB Lighting: | No |
PS5 Compatible: | Yes |
Controller:Maybe 4-channel controller? NAND Die:Although this Die is a 4-plane design, most Kioxia BiCS5 NAND Dies used in most SSDs are dual planes design because of Yield and production cost. |