CA3-8D256-Q11 NVMe LITEON 256GB.C48110B: This is the best SSD before.
KBG30ZMS256G NVMe TOSHIBA 256GB.ADDA0102: This is first 2230 HMB NVMe SSD.

Specification

Information

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

ITEM INFORMATION KBG30ZMS256G NVMe TOSHIBA 256GB.ADDA0102
Vendor ID Lite-On Technology Corporation (0x14a4) Toshiba America Info Systems (0x1179)
Device ID 0x2300 0x113
Controller Vendor ID Marvell Technology Group Ltd. (0x1b4b) Toshiba America Info Systems (0x1179)
Controller Device ID 0x1093 0x1
Model Number CA3-8D256-Q11 NVMe LITEON 256GB KBG30ZMS256G NVMe TOSHIBA 256GB
Firmware Revision C48110B ADDA0102
PCIe Link Gen3 x4 Gen3 x2
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 2048
Write Speed (MB/s, up to) 810 1000
Read Speed (MB/s, up to) 2300 1600
Host Memory Buffer Preferred Size (KBytes) 0 38912
Host Memory Buffer Minimum Size (KBytes) 0 10240
Write Speed (MB/s, HMB enabled, up to) 810 820
Read Speed (MB/s, HMB enabled, up to) 2300 1500
page-tag-nand 3D-TLC 3D-TLC
page-tag-vendor LiteON Toshiba
page-tag-controller Marvell Toshiba
page-tag-form-factor 2280 2230
Warrenty (year) 5 5

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 KBG30ZMS256G NVMe TOSHIBA 256GB.ADDA0102
Admin Queue Size 128 128
Maximum Queue Entries Supported 4096 128
Number of Queues 16 31
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 KBG30ZMS256G NVMe TOSHIBA 256GB.ADDA0102
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
0x81 Security Send Security Send
0x82 Security Receive Security Receive

List basic device information.

IO COMMAND OPCODE COMMAND NAME KBG30ZMS256G NVMe TOSHIBA 256GB.ADDA0102
0x0 Flush Flush
0x1 Write Write
0x2 Read Read
0x4 Write Uncorrectable Write Uncorrectable
0x5 Compare Compare
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 KBG30ZMS256G NVMe TOSHIBA 256GB.ADDA0102
Number of Power States 5 5
Power State #0 8.00 W 3.30 W
Power State #1 4.50 W 2.70 W
Power State #2 3.00 W 2.30 W
Power State #3 0.07 W, non operational 0.05 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 KBG30ZMS256G NVMe TOSHIBA 256GB.ADDA0102
Composite Temperature (°C) 42 55
Available Spare (%) 100 100
Percentage Used (%) 32 5
Data Units Read (LBA) 210663880000 6528574000
Data Units Write (LBA) 94842263000 4602036000
Host Read Commands 15313664457 203987339
Host Write Commands 5962689687 25207644
Controller Busy Time (minutes) 15064 1542
Power On Hours (hours) 1103 42
Power Cycles 3672 42
Unsafe Shutdowns 159 17
Media and Data Integrity Errors 203 28

Function

Performance

Reliability