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Toshiba KIOXIA KBG4AZNV512G M.2 2280 OPAL

KBG4AZNV512G

The Toshiba KIOXIA KBG4AZNV512G M.2 2280 OPAL NVMe SSD is a relative slow PCIe SSD from the BG4 Client series of KIOXIA. It should offer the same specs as the smaller M.2 2230 BG4 with 2200 MB/s max. read and 1400 MB/s write.

TypeSSD
SizeM.2 2280
Capacity512 GB
InterfaceNVMe
Announced02.08.2021

Benchmarks

Performance Rating - DiskSpd
15.6 pt (18%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.687 -96%
...
TWSC TSC3AN512-F6Q10S
15.2 -3%
Toshiba KBG40ZNS256G NVMe
15.2 -3%
Samsung PM991 MZ9LQ512HALU
15.3 -2%
SK Hynix BC511 HFM512GDJTNI
15.3 -2%
WDC PC SN520 SDAPNUW-512G
15.4 -1%
Netac S930E8/256GPN
15.4 -1%
Phison M.2 2280 E18 4000GB
15.4 -1%
WDC PC SN520 SDAPMUW-512
15.5 -1%
WDC PC SN530 SDBQNPZ-512G
15.5 -1%
Toshiba KIOXIA KBG4AZNV512G M.2 2280 OPAL
15.6
Apple SSD AP1024 7171
15.6 0%
SK Hynix BC501 HFM512GDJTNG
15.6 0%
Kingston KC2500 1 TB SKC2500M81000G
15.6 0%
Samsung SSD 950 Pro 512GB m.2 NVMe
15.7 1%
Toshiba KBG30ZMT512G
15.7 1%
WDC PC SN530 SDBPTPZ-256G
15.7 1%
AirDisk AFF 10-512G
15.9 2%
Silicon Motion AZW 256G M.2280 NVMe 4X 200725 D
15.9 2%
Toshiba Kioxia XG6 KXG60PNV1T02
15.9 2%
...
Kingston Fury Renegade G5 8TB
88.2 465%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 1033     avg: 1080     median: 1080 (18%)     max: 1127 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 525     avg: 690     median: 689.5 (26%)     max: 854 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 1045     avg: 1063     median: 1062.5 (4%)     max: 1080 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 1574     avg: 1840     median: 1840 (11%)     max: 2106 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 501     avg: 529     median: 528.5 (7%)     max: 556 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 738     avg: 898     median: 897.5 (14%)     max: 1057 Points
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.544     avg: 0.6     median: 0.6 (1%)     max: 0.566 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.064     avg: 0.1     median: 0.1 (0%)     max: 0.077 ms
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 339.8     avg: 346     median: 346 (6%)     max: 352.1 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 507     avg: 656     median: 656 (13%)     max: 805 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 88.4     avg: 105.9     median: 105.9 (21%)     max: 123.3 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 43.55     avg: 47.4     median: 47.4 (15%)     max: 51.2 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 731     avg: 769     median: 768.5 (7%)     max: 806 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 1876     avg: 1942     median: 1941.5 (15%)     max: 2007 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 96.4     avg: 106.8     median: 106.8 (10%)     max: 117.1 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 47.38     avg: 49.3     median: 49.3 (1%)     max: 51.3 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 1213     avg: 1299     median: 1298.5 (7%)     max: 1384 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 1622     avg: 1669     median: 1669 (19%)     max: 1716 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 251.8     avg: 267.2     median: 267.2 (6%)     max: 282.6 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 264.8     avg: 298.4     median: 298.4 (4%)     max: 332 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 1519     avg: 1526     median: 1526 (10%)     max: 1533 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 2342     avg: 2345     median: 2344.5 (13%)     max: 2347 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
min: 99.2     avg: 110.6     median: 110.6 (25%)     max: 122 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
min: 45.3     avg: 47.9     median: 47.9 (14%)     max: 50.5 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
min: 278     avg: 301.5     median: 301.5 (4%)     max: 325 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
min: 545     avg: 571     median: 571 (7%)     max: 597 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
min: 1333     avg: 1347     median: 1346.5 (13%)     max: 1360 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
min: 1643     avg: 1685     median: 1685 (20%)     max: 1727 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
min: 1519     avg: 1528     median: 1528 (10%)     max: 1537 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
min: 2373     avg: 2391     median: 2391 (15%)     max: 2409 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 2185     avg: 2273     median: 2273 (14%)     max: 2361 MB/s
+ 2 benchmarks and specifications   + Show comparison chart
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

Amazon Logo
  • $99.99
    KIOXIA Internal SSD, 512GB PCIe Gen 3 x 4 NVMe Solid State Drive, M.2 2230, Model KBG40ZNS512G, OEM Package
  • $37.60
    KIOXIA (Toshiba 128GB M.2 2230 PCIe NVMe KBG40ZNS128G, OEM Package
  • $109.99
    Kioxia SSD 512GB M.2 2230 30mm NVMe PCIe Gen3 x4 KBG40ZNS512G BG4 Solid State Drive for Surface Pro Steam Deck Dell HP Lenovo Ultrabook Tablet
  • $59.99
    Kioxia SSD 256GB M.2 2230 30mm NVMe PCIe Gen3 x4 KBG40ZNS256G BG4 Solid State Drive for Surface Pro Steam Deck Dell HP Lenovo Ultrabook Tablet
  • $40.00
    Toshiba XG3 Single Sided 80mm (2280) M.2 PCI Express 3.0 x4 (PCIe Gen3 x4) OEM NVMe Client SSD (256GB)

Add one or more devices and compare

In the following list you can select (and also search for) devices that should be added to the comparison. You can select more than one device.

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v1.35
log 19. 00:54:30

#0 ran 0s before starting gpusingle class +0s ... 0s

#1 no ids found in url (should be separated by "_") +0s ... 0s

#2 not redirecting to Ajax server +0s ... 0s

#3 did not recreate cache, as it is less than 5 days old! Created at Sat, 14 Mar 2026 03:44:58 +0100 +0.003s ... 0.003s

#4 composed specs +0.005s ... 0.008s

#5 did output specs +0s ... 0.008s

#6 getting avg benchmarks for device 3697 +0.03s ... 0.038s

#7 got single benchmarks 3697 +0.007s ... 0.045s

#8 got avg benchmarks for devices +0s ... 0.045s

#9 min, max, avg, median took s +3.418s ... 3.463s

#10 return log +0.496s ... 3.959s

Notebook reviews with Toshiba KIOXIA KBG4AZNV512G M.2 2280 OPAL

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Panasonic Toughbook FZ-55 MK2 rugged laptop review: Iris Xe makes all the difference

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  External Review » Panasonic Toughbook FZ-55 MK2

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Klaus Hinum (Update: 2022-08-19)