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Toshiba BG4 KBG40ZNT512G

KBG40ZNT512G

The Toshiba BG4 KBG40ZNT512G is a fast PCIe SSD in the small 2242 M.2 form factor.

TypeSSD
SizeM.2 2242
Capacity512 GB
InterfaceNVMe
Announced20.08.2020

Benchmarks

Performance Rating - DiskSpd
14.3 pt (16%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.687 -95%
...
Kingston NV2 1000GB SNV2S/1000G
13.5 -6%
Micron 2200S 512GB
13.6 -5%
SK Hynix BC711 1TB HFM001TD3JX016N
13.6 -5%
Micron 3460 256 GB Soldered
13.7 -4%
SK hynix BC511 HFM256GDJTNI-82A0
13.8 -3%
Micron 2400 MTFDKBA512QF
13.8 -3%
Samsung PM991 MZ9LQ256HBJQ
14 -2%
SAMSUNG MZAL8256HFJD-00BL2
14 -2%
WDC PC SN520 SDAPNUW-256G
14.2 -1%
Toshiba BG4 KBG40ZNT512G
14.3
Apple SSD AP1024
14.5 1%
SSSTC CA5-8D256
14.6 2%
Toshiba KBG30ZMV512G
14.7 3%
Toshiba XG5-P KXG50PNV2T04
14.7 3%
WDC PC SN530 SDBPMPZ-265G
14.7 3%
Transcend M.2 SSD 430S TS512GMTS430S
14.8 3%
GSemi AZW GSDFN512TS3F1OGCX
14.9 4%
SK hynix BC511 HFM512GDHTNI-87A0B
14.9 4%
WDC PC SN530 SDBPTPZ-512G
14.9 4%
...
Kingston Fury Renegade G5 8TB
88.2 517%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Copy Game
min: 450.4     avg: 719     median: 835 (14%)     max: 872 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Copy Program
min: 159.2     avg: 362.9     median: 410.5 (15%)     max: 519 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Copy ISO
min: 1085.2     avg: 1308     median: 1181 (4%)     max: 1659 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
AS SSD - Score Total
min: 1483     avg: 2135     median: 1933.5 (12%)     max: 3191 Points
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
min: 371     avg: 779     median: 829.5 (12%)     max: 1087 Points
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
min: 579     avg: 920     median: 816.5 (13%)     max: 1468 Points
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
min: 0.16     avg: 0.2     median: 0.2 (0%)     max: 0.318 ms
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
min: 0.052     avg: 0.1     median: 0.1 (0%)     max: 0.155 ms
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
min: 118.5     avg: 544     median: 639 (11%)     max: 779 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
min: 353     avg: 684     median: 580.5 (11%)     max: 1221 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
min: 35.4     avg: 134     median: 150 (29%)     max: 200.7 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
min: 21.9     avg: 43.6     median: 47.3 (15%)     max: 58 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
min: 761     avg: 1014     median: 1088 (10%)     max: 1118 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
min: 1760     avg: 1927     median: 1952.5 (15%)     max: 2044 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
min: 72.8     avg: 133.9     median: 102.3 (9%)     max: 226.6 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
min: 26.35     avg: 40.4     median: 32.1 (1%)     max: 62.8 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
min: 823     avg: 1212     median: 1296 (7%)     max: 1518 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
min: 1169     avg: 1372     median: 1445 (16%)     max: 1501 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
min: 112.6     avg: 338     median: 356.4 (7%)     max: 545 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
min: 327.2     avg: 491.3     median: 459.6 (7%)     max: 687 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
min: 1039     avg: 1343     median: 1483 (10%)     max: 1507 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
min: 2176     avg: 2279     median: 2327 (12%)     max: 2334 MB/s
+ 3 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
min: 33.3     avg: 97.8     median: 105.4 (24%)     max: 147 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
min: 21.4     avg: 41     median: 40.3 (12%)     max: 61.8 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
min: 158     avg: 431.5     median: 365.5 (5%)     max: 837 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
min: 614     avg: 857     median: 768.5 (9%)     max: 1278 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
min: 904     avg: 1169     median: 1115 (11%)     max: 1541 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
min: 1363     avg: 1419     median: 1388 (16%)     max: 1537 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
min: 1028     avg: 1281     median: 1281 (9%)     max: 1532 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
min: 1927     avg: 2214     median: 2250.5 (14%)     max: 2426 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
min: 1847     avg: 2052     median: 2097.5 (13%)     max: 2167 MB/s
+ 4 benchmarks and specifications   + Show comparison chart
0100200300400500600700800900100011001200130014001500160017001800190020002100220023002400Tooltip
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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v1.35
log 18. 08:47:17

#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 3536 +0.024s ... 0.032s

#7 got single benchmarks 3536 +0.011s ... 0.043s

#8 got avg benchmarks for devices +0s ... 0.043s

#9 min, max, avg, median took s +3.63s ... 3.673s

#10 return log +0.123s ... 3.796s

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Klaus Hinum (Update: 2020-08-20)