Multiple hardware versions found.
Performance could vary due to unannounced flash/controller changes.
Capacity: | 480 GB |
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Hardware Versions: | |
Overprovisioning: | 65.0 GB / 14.5 % |
Production: | Active |
Released: | Jan 11th, 2018 |
Part Number: | SA400S37/480G |
Market: | Consumer |
Form Factor: | 2.5" |
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Interface: | SATA 6 Gbps |
Protocol: | AHCI |
Power Draw: |
Unknown (Idle) Unknown (Avg) 1.5 W (Max) |
Manufacturer: | Silicon Motion |
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Name: | SM2259XT2 |
Architecture: | ARC 32-bit |
Core Count: | Single-Core |
Frequency: | 550 MHz |
Foundry: | TSMC |
Process: | 28 nm |
Flash Channels: | 2 @ 800 MT/s |
Chip Enables: | 8 |
Manufacturer: | YMTC |
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Name: | Xtacking 2.0 (CDT1B) |
Type: | TLC |
Technology: | 128-layer |
Speed: | 1600 MT/s |
Capacity: | Unknown |
ONFI: | 4.1 |
Topology: | Charge Trap |
Die Size: | 60 mm² (8.5 Gbit/mm²) |
Planes per Die: | 4 |
Decks per Die: | 2 |
Word Lines: |
141 per NAND String
90.8% Vertical Efficiency |
Read Time (tR): | 50 µs |
Program Time (tProg): | 620 µs |
Block Erase Time (tBERS): | 20 ms |
Die Read Speed: | 1280 MB/s |
Die Write Speed: | 70 MB/s |
Endurance: (up to) |
3000 P/E Cycles |
Page Size: | 16 KB |
Block Size: | 2304 Pages |
Plane Size: | 1980 Blocks |
Type: | None |
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Sequential Read: | 500 MB/s |
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Sequential Write: | 450 MB/s |
Random Read: | 90,000 IOPS |
Random Write: | 35,000 IOPS |
Endurance: | 160 TBW |
Warranty: | 3 Years |
MTBF: | 1.0 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: | No |
Controller:Depending on each SSD the controller clock can vary, i've seen it running from 425 MHz up to 550 MHz. NAND Die:Read Time (tR): Maximum is 50 µs, typical is lower |