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

Specification

Information

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

ITEM INFORMATION PC401 NVMe SK hynix 256GB.80003E00
Vendor ID Lite-On Technology Corporation (0x14a4) SK hynix (0x1c5c)
Device ID 0x2300 0x1527
Controller Vendor ID Marvell Technology Group Ltd. (0x1b4b) SK hynix (0x1c5c)
Controller Device ID 0x1093 0x1527
Model Number CA3-8D256-Q11 NVMe LITEON 256GB PC401 NVMe SK hynix 256GB
Firmware Revision C48110B 80003E00
PCIe Link Gen3 x4 Gen3 x4
L1 substates Yes Yes
NVMe Specification Version 1.2 1.2
LBA size (byte) 512 512
Capacity (GB) 256 0
Number of Namespaces 1 1
Maximum Data Transfer Size (KBytes) 128 128
Write Speed (MB/s, up to) 810 610
Read Speed (MB/s, up to) 2300 2500
Host Memory Buffer Preferred Size (KBytes) 0 0
Host Memory Buffer Minimum Size (KBytes) 0 0
Write Speed (MB/s, HMB enabled, up to) 810 740
Read Speed (MB/s, HMB enabled, up to) 2300 2500
page-tag-nand 3D-TLC 3D-TLC
page-tag-vendor LiteON Hynix
page-tag-controller Marvell Hynix
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 PC401 NVMe SK hynix 256GB.80003E00
Admin Queue Size 128 128
Maximum Queue Entries Supported 4096 512
Number of Queues 16 16
Arbitration Mechanism Supported Round Robin and Weighted Round Robin with Urgent Priority Class Arbitration Round Robin Arbitration

Supported Commands

List basic device information.

ADMIN COMMAND OPCODE COMMAND NAME PC401 NVMe SK hynix 256GB.80003E00
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 PC401 NVMe SK hynix 256GB.80003E00
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 PC401 NVMe SK hynix 256GB.80003E00
Number of Power States 5 5
Power State #0 8.00 W 6.00 W
Power State #1 4.50 W 3.80 W
Power State #2 3.00 W 2.40 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) 76 -273
Thermal Management Temperature 2 (°C) 81 -273

Health

SMART data before tests.

HEALTH ITEM DATA PC401 NVMe SK hynix 256GB.80003E00
Composite Temperature (°C) 42 49
Available Spare (%) 100 100
Percentage Used (%) 32 0
Data Units Read (LBA) 210663880000 1599014000
Data Units Write (LBA) 94842263000 510650000
Host Read Commands 15313664457 9001914
Host Write Commands 5962689687 2644386
Controller Busy Time (minutes) 15064 333
Power On Hours (hours) 1103 35
Power Cycles 3672 46
Unsafe Shutdowns 159 16
Media and Data Integrity Errors 203 0

Function

Performance

Reliability