PC401 NVMe SK hynix 256GB.80003E00: SSD from Hynix.
CA3-8D256-Q11 NVMe LITEON 256GB.C48110B: This is the best SSD before.

Specification

Information

Here is some basic information of this SSD in the following table, such as its model name and some identifier.

ITEM INFORMATION CA3-8D256-Q11 NVMe LITEON 256GB.C48110B
Vendor ID SK hynix (0x1c5c) Lite-On Technology Corporation (0x14a4)
Device ID 0x1527 0x2300
Controller Vendor ID SK hynix (0x1c5c) Marvell Technology Group Ltd. (0x1b4b)
Controller Device ID 0x1527 0x1093
Model Number PC401 NVMe SK hynix 256GB CA3-8D256-Q11 NVMe LITEON 256GB
Firmware Revision 80003E00 C48110B
PCIe Link Gen3 x4 Gen3 x4
L1 substates Yes Yes
NVMe Specification Version 1.2 1.2
LBA size (byte) 512 512
Capacity (GB) 0 256
Number of Namespaces 1 1
Maximum Data Transfer Size (KBytes) 128 128
Write Speed (MB/s, up to) 610 810
Read Speed (MB/s, up to) 2500 2300
Host Memory Buffer Preferred Size (KBytes) 0 0
Host Memory Buffer Minimum Size (KBytes) 0 0
Write Speed (MB/s, HMB enabled, up to) 740 810
Read Speed (MB/s, HMB enabled, up to) 2500 2300
page-tag-nand 3D-TLC 3D-TLC
page-tag-vendor Hynix LiteON
page-tag-controller Hynix Marvell
page-tag-form-factor 2280 2280

NVMe hosts and devices communicate commands and completions data in Submittion and Competion Queues. Queue is the most essential data structure defined by NVMe specification.

INFORMATION CA3-8D256-Q11 NVMe LITEON 256GB.C48110B
Admin Queue Size 128 128
Maximum Queue Entries Supported 512 4096
Number of Queues 16 16
Arbitration Mechanism Supported Round Robin Arbitration Round Robin and Weighted Round Robin with Urgent Priority Class Arbitration

Supported Commands

List basic device information.

ADMIN COMMAND OPCODE COMMAND NAME CA3-8D256-Q11 NVMe LITEON 256GB.C48110B
0x0 Delete I/O Submission Queue Delete I/O Submission Queue
0x1 Create I/O Submission Queue Create I/O Submission Queue
0x2 Get Log Page Get Log Page
0x4 Delete I/O Completion Queue Delete I/O Completion Queue
0x5 Create I/O Completion Queue Create I/O Completion Queue
0x6 Identify Identify
0x8 Abort Abort
0x9 Set Features Set Features
0xa Get Features Get Features
0xc Asynchronous Event Request Asynchronous Event Request
0x10 Firmware Commit Firmware Commit
0x11 Firmware Image Download Firmware Image Download
0x80 Format NVM Format NVM

List basic device information.

IO COMMAND OPCODE COMMAND NAME CA3-8D256-Q11 NVMe LITEON 256GB.C48110B
0x0 Flush Flush
0x1 Write Write
0x2 Read Read
0x4 Write Uncorrectable Write Uncorrectable
0x9 Dataset Management Dataset Management

Thermal

SSD is becoming faster, and then hotter. Fundementally, hot is bad to the data in NAND media, and so it is necessary to control and monitor temperature.

ITEM DATA CA3-8D256-Q11 NVMe LITEON 256GB.C48110B
Number of Power States 5 5
Power State #0 6.00 W 8.00 W
Power State #1 3.80 W 4.50 W
Power State #2 2.40 W 3.00 W
Power State #3 0.07 W, non operational 0.07 W, non operational
Power State #4 0.01 W, non operational 0.01 W, non operational
Thermal Management Temperature 1 (°C) -273 76
Thermal Management Temperature 2 (°C) -273 81

Health

SMART data before tests.

HEALTH ITEM DATA CA3-8D256-Q11 NVMe LITEON 256GB.C48110B
Composite Temperature (°C) 49 42
Available Spare (%) 100 100
Percentage Used (%) 0 32
Data Units Read (LBA) 1599014000 210663880000
Data Units Write (LBA) 510650000 94842263000
Host Read Commands 9001914 15313664457
Host Write Commands 2644386 5962689687
Controller Busy Time (minutes) 333 15064
Power On Hours (hours) 35 1103
Power Cycles 46 3672
Unsafe Shutdowns 16 159
Media and Data Integrity Errors 0 203

Function

Performance

Reliability