Notebookcheck Logo

Toshiba XG6 KXG6AZNV256G

KXG6AZNV256G

The Toshiba XG6 KXG6AZNV256G is a fast high-end NVMe/PCIe SSD for laptops. It is available as a M.2 2280 card and uses Toshiba 96-layer 3D TLC flash. As the XG5 series, the XG6 uses the TC58NCP090GSD controller.

TypeSSD
SizeM.2 2280
Capacity256 GB
InterfaceNVMe
Announced22.10.2019

Benchmarks

Performance Rating - DiskSpd
19.7 pt (22%)
Seagate ST1000LM014 Solid State Hybrid Drive
0.687 -97%
...
2x Intel SSD 660p 1TB SSDPEKNW010T8 (RAID 0)
19.4 -2%
WDC PC SN730 SDBQNTY-1T00
19.4 -2%
Micron 2400 MTFDKBK512QFM
19.5 -1%
Rayson RS512GSSD510 512 GB PCIe 4.0 NVMe
19.5 -1%
Intel Optane Memory H10 with Solid State Storage 32GB + 512GB HBRPEKNX0202A(L/H)
19.5 -1%
Micron 2550 1TB MTFDKCD1T0TGE
19.6 -1%
Samsung SSD PM981a MZVLB256HBHQ
19.6 -1%
Samsung PM981a MZVLB2T0HALB
19.6 -1%
Kioxia BG5 KBG50ZNS512G
19.6 -1%
Toshiba XG6 KXG6AZNV256G
19.7
256 GB UFS 4.0 Flash
19.7 0%
SK Hynix BC711 HFM512GD3HX015N
19.9 1%
ESO512GYLCT
19.9 1%
Phison E12S-512GB-Phison-SSD-BICS4
19.9 1%
WDC PC SN530 SDBPNPZ-512G
19.9 1%
Samsung PM991a MZALQ512HBLU
19.9 1%
SSTC CL4-3D512-Q11
19.9 1%
Kioxia BG5 KBG50ZNV512G
20 2%
Samsung SSD PM981 MZVLB256HAHQ
20.1 2%
...
Kingston Fury Renegade G5 8TB
88.2 348%
0%
100%
Restrict / Search: Model: Max. age: years
AS SSD - Score Total
3637 Points (22%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Write
1640 Points (23%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Score Read
1356 Points (22%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Write *
0 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Access Time Read *
0.1 ms (0%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Write
1371 MB/s (23%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K-64 Read
1086 MB/s (21%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Write
177.1 MB/s (35%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - 4K Read
52 MB/s (17%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Write
921 MB/s (8%)
+ 1 benchmarks and specifications   + Show comparison chart
AS SSD - Sequential Read
2184 MB/s (17%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K
140.7 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K
53.6 MB/s (1%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Write Seq
1625 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5 Read Seq
2189 MB/s (25%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write 4K Q32T1
409.2 MB/s (9%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read 4K Q32T1
441.2 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Write Seq Q32T1
1643 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
CrystalDiskMark 5.2 / 6 - CDM 5/6 Read Seq Q32T1
3178 MB/s (17%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_write
146 MB/s (34%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q1t1_read
52.4 MB/s (15%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_write
431 MB/s (6%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd 4k_q32t16_read
1077 MB/s (13%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_write
1698 MB/s (16%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_read
2204 MB/s (26%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_write
1567 MB/s (11%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd seq_q8t1_read
2827 MB/s (18%)
+ 1 benchmarks and specifications   + Show comparison chart
DiskSpd - DiskSpd Loop seq_q8t1_read
2738 MB/s (17%)
+ 1 benchmarks and specifications   + Show comparison chart
01002003004005006007008009001000110012001300140015001600170018001900200021002200230024002500260027002800290030003100Tooltip
- Range of benchmark values
red legend - Average benchmark values
* Smaller numbers mean a higher performance

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.

search for model:
v1.35
log 17. 20:28:58

#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 +0.002s ... 0.002s

#4 composed specs +0.005s ... 0.007s

#5 did output specs +0s ... 0.007s

#6 getting avg benchmarks for device 3756 +0.024s ... 0.031s

#7 got single benchmarks 3756 +0.005s ... 0.036s

#8 got avg benchmarks for devices +0s ... 0.036s

#9 min, max, avg, median took s +2.953s ... 2.989s

#10 return log +0.128s ... 3.117s

Notebook reviews with Toshiba XG6 KXG6AZNV256G

Lenovo ThinkPad L14 G2 Review: Good even with Intel

Lenovo ThinkPad L14 G2 Review: Good even with Intel

The ThinkPad L14 G2 is Lenovo’s entry-level business laptop with Intel’s Tiger Lake CPUs. The quality of the laptop is on a very high level. To learn more about the business notebook, read our review.
Intel Core i5-1135G7, Iris Xe G7 80EUs, 14", 1.7 kg

Lenovo ThinkPad L14 G2-20X1003WGE: Intel Core i5-1135G7 Intel Iris Xe Graphics G7 80EUs, 14.00", 1.7 kg
   » Lenovo ThinkPad L14 Gen 2 with Core i5 and 16GB RAM now 72% off in clearance sale

Please share our article, every link counts!
Mail Logo
Google Logo Add as a preferred
source on Google
Klaus Hinum (Update: 2021-11-22)