The document summarizes Silicon Motion's SM2262EN SSD controller, which provides high performance for gaming PCs, workstations, and servers. The controller supports the latest 3D TLC/QLC NAND flash from major suppliers. It offers enhanced performance over the SM2262 controller, with sequential read/write speeds up to 3,500/2,951 MB/s and random IOPS of up to 420K. The controller is optimized for new generations of high-density 64-96 layer 3D NAND through 2023. It also provides data protection features and low power consumption compared to previous controllers.

2. Performance
Market
Retail OEM
Gaming PC
High Performance PC
Gaming Laptop Work Station Server
PC DIY Brand PC Consumer Laptop
Consumer Tablet
Industrial PC

3. SM2262EN Ultra High Speed PCIe NVMe SSD Controller
• PCIe Gen3 x4 NVMe 1.3 SSD Controller with 8 NAND
channels supporting up to 2TB Capacity.
• A complete merchant ASIC/FW solution supporting
latest 64 ~ 96 layer 3D TLC/QLC NAND from all major
NAND suppliers.
• Enhancement over SM2262 enabling in leading-edge
performance
• Proprietary Enhanced NANDXtend error-correcting
and comprehensive data path correction through
SRAM ECC and End to End data path protection.
3

4. Performance NAND Support
Power Data Protection

5. 5
3,000MB/s3,500MB/s
420K IOPS 420K IOPS
SMI exclusive firmware algorithm optimize the path of data
transformation and enable faster sequential read / write.

6. SM2262/SM2262EN Controller Performance Comparison
6
PCIe Gen3x4
8 NAND Channel
256GB 512GB 1024GB
2262 2262EN 2262 2262EN 2262 2262EN
Seq. Read (MB/s) 3,025 3,479 3,236 3,483 3,236 3,498
Seq. Write (MB/s) 1,232 1,297 1,642 2,326 1,652 2,951
Ran. Read (IOPS) 181K 218K 335K 336K 362K 372K
Ran. Write (IOPS) 209K 212K 215K 215K 216K 290K

7. 7
High performance

8. Performance NAND Support
Power Data Protection

9. 2016 2017 2018 2019
32L TLC (V2) 48L TLC (V3) 64L TLC (V4) 96L TLC (V5)
64L QLC (V4)
32L TLC (1st Gen.) 64L TLC (2nd Gen.) 96L TLC (3rd Gen.)
64L QLC (2nd Gen.) 96L QLC
96L QLC
48L TLC (V3) 64L TLC (V4) 96L TLC (V5)
48L TLC (BiCS2) 64L TLC (BiCS3) 96L TLC (BiCS4)
64L QLC (BiCS3) 96L QLC

10. Performance NAND Support
Power Data Protection

11. 11

12. 12

13. Performance NAND Support
Power Data Protection

14. 14

15. 5
85
2.5
55
PS4 (Low power)
MobileMark2014
New Old
To reduce over 30% of daily power consumption

16. 16

17. © 2015 Silicon Motion Technology Corp. All rights reserved.
www.siliconmotion.com