Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

XG5 NVMe PCIe M.2 256GB
BENCHMARKS (18,018)
MKT (0.2%)
BUILDS
(1)
BUY • $50

▲ 507 ▼

Release date ≈ Q3 2017.

256GB 512GB 1TB

Effective Speed +23% Effective Speed 23%Average User Bench +17% Read 143%, Write -4%, 4K Read -13%, 4K Write 9%, Mixed 20%, 4K Mixed -15%, SusWrite -21%Peak Lab Bench +78% Read 248%, Write 108%, 4K Read 3%, 4K Write 16%, Mixed 148%, 4K Mixed 4%, SusWrite 16%Value & Sentiment -29%User Rating -71%, Market Share -290%, Price 169%, Value 76%Nice To Haves +74% DQ Read 92%, DQ Write 147%, DQ Mixed 86%, ADQ Read 34%, ADQ Write 17%, ADQ Mixed 12%, Age 102%, AS-SSD Total 101%

Average Bench: 127% (138^th of 1011)

Based on 18,018 user benchmarks. Models: KXG50ZNV256G NVMe TOSHIBA 256GB, NVMe KXG50ZNV256G NVM, KXG50ZNV256G TOSHIBA

Poor: 80%Average: 127% Great: 186%

Popular builds with this SSD

Outstanding average bench

The Toshiba XG5 NVMe PCIe M.2 256GB averaged 27.4% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Toshiba XG5 NVMe PCIe M.2 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 305MB/s

Avg. Sequential Read Speed 1,144MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba XG5 NVMe PCIe M.2 256GB is 106%. This is a particularly wide range which indicates that the Toshiba XG5 NVMe PCIe M.2 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 262MB/s

Avg. Sequential Write Speed 404MB/s

Average Bench

(Based on 18,018 samples)

Rank 138127%

Min	Avg	Max
418	Read 1,144	1,777
61.2	Write 404	1,016
102	Mixed 437	1,029
106	SusWrite 262	485
123% 562 MB/s

Min	Avg	Max
15.4	4K Read 32.2	46.1
38.8	4K Write 102	147
19.2	4K Mixed 42.2	62.9
157% 58.8 MB/s

Min	Avg	Max
220	DQ Read 445	737
66.2	DQ Write 348	887
67.6	DQ Mixed 305	624
253% 366 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

GBR-User, 6 hrs ago.

196GB free (System drive)

Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 755 308 422 376 335 509 MB/s

188% Outstanding

Write 1,040

Mixed 1,090

SusWrite 451

238% 1,073 MB/s

4K Read 45.1

4K Write 108

4K Mixed 61.1

204% 71.3 MB/s

DQ Read 714

DQ Write 580

DQ Mixed 636

479% 643 MB/s

GBR-User, 4 hrs ago.

93GB free (System drive)

Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 392 310 301 287 289 302 MB/s

164% Outstanding

Write 534

Mixed 946

SusWrite 313

198% 902 MB/s

4K Read 47.7

4K Write 120

4K Mixed 33.7

179% 67.2 MB/s

DQ Read 514

DQ Write 344

DQ Mixed 623

412% 494 MB/s

BOL-User, 12 mins ago.

162GB free (System drive)

Firmware: AADA4102 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 276 295 294 291 288 270 MB/s

147% Outstanding

Write 466

Mixed 394

SusWrite 286

150% 688 MB/s

4K Read 32.4

4K Write 114

4K Mixed 40.9

162% 62.3 MB/s

DQ Read 396

DQ Write 326

DQ Mixed 290

236% 337 MB/s

USA-User, 4 hrs ago.

40GB free (System drive)

Firmware: AADA4102 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 315 280 278 283 253 254 MB/s

123% Outstanding

Write 303

Mixed 267

SusWrite 277

113% 520 MB/s

4K Read 17.4

4K Write 78.5

4K Mixed 34.4

112% 43.4 MB/s

DQ Read 427

DQ Write 540

DQ Mixed 294

275% 420 MB/s

USA-User, 4 hrs ago.

52GB free (System drive)

Firmware: AADA4104 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 314 309 272 274 268 249 MB/s

101% Outstanding

Write 462

Mixed 425

SusWrite 281

110% 496 MB/s

4K Read 19.9

4K Write 75.2

4K Mixed 33

112% 42.7 MB/s

DQ Read 401

DQ Write 314

DQ Mixed 423

298% 379 MB/s

18,018 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,504,076 SSDs tested.

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU

GPU

SSD

HDD

RAM

MBD

Typical XG5 NVMe PCIe M.2 256GB Builds (Compare 7,594 builds) See popular component choices, score breakdowns and rankings.

Gaming 95%

Nuclear submarine

Desktop 90%

Nuclear submarine

Workstation 75%

Battleship

System: Alienware Aurora R7

CPU
Core i7-8700Intel $320Bench 87%, 116,641 samples	3,639x
Core i7-8700KIntel $355Bench 92%, 322,715 samples	2,410x
Core i5-8400Intel $183Bench 79%, 115,832 samples	1,337x

GPU
GTX 1080Nvidia $528Bench 100%, 440,934 samples	2,034x
GTX 1070Nvidia $359Bench 78%, 613,412 samples	1,627x
GTX 1080-TiNvidia $685Bench 125%, 373,933 samples	1,581x

SSD
XG5 NVMe PCIe M.2 256GBToshiba $50Bench 127%, 18,018 samples	2,023x

RAM
8ATF1G64AZ-2G6H1 2x8GBUnknownBench 80%, 4,049 samples	1,435x
M378A1K43CB2-CTD 2x8GBUnknownBench 80%, 1,811 samples	811x
8ATF1G64AZ-2G6E1 2x8GBUnknownBench 81%, 2,821 samples	809x

EDIT WITH CUSTOM PC BUILDER

Value: 58% - Above average

Total price: $898

Popular XG5 NVMe PCIe M.2 256GB systems:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

- Download and run UserBenchMark.
- CPU tests include: integer, floating and string.
- GPU tests include: six 3D game simulations.
- Drive tests include: read, write, sustained write and mixed IO.
- RAM tests include: single/multi core bandwidth and latency.
- Reports are generated and presented on userbenchmark.com.
- Identify the strongest components in your PC.
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Solid State Drive Rankings (Price vs Performance) October 2019 SSD Rankings.

Welcome to our 2.5" and M.2 SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. ^[SSDrivePro]

Group Test Results

Best user rated - User sentiment trumps benchmarks for this comparison.
Best value for money - Value for money is based on real world performance.
Fastest real world speed - Real World Speed measures performance for typical consumers.

1011 Drives (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

Frequently Asked Questions

Storage Devices FAQ

What is sustained sequential write speed?

What’s the difference between SLC, MLC and TLC?

What is 3D XPoint and how fast is it?

What’s the difference between SATA, PCIe and NVMe?

What’s the difference between NAND and V-NAND?

What is sequential write speed?

What is sequential read speed?

What is incompressible data?

What is queue depth?

Solid State Drives

What is the SSD value for money rating?

What is 4K 64 thread write speed?

Can CPU power saving states (C1,C2,C3) impact SSD speed?

What is the effective SSD speed index?

How is the AS SSD write score calculated?

How is the AS SSD read score calculated?

How is the AS SSD total score calculated?

ALL FAQs »

CPU	GPU	SSD
Intel Core i5-9400F $145	Nvidia GTX 1660 $210	Samsung 850 Evo 250GB $73
Intel Core i5-9600K $240	Nvidia GTX 1660-Ti $270	Samsung 850 Evo 500GB $107
Intel Core i7-9700K $350	Nvidia RTX 2060 $349	Samsung 850 Pro 256GB $200

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $40	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65	SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $78	G.SKILL Trident Z DDR4 3200 C14 4x16GB $612	SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70	SanDisk Ultra Fit 32GB $14

Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

Average Bench: 127% (138^th of 1011)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

Prices

CHOOSE A COMPONENT:

System: Alienware Aurora R7

Popular XG5 NVMe PCIe M.2 256GB systems:

UserBenchmark of the month

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Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

Average Bench: 127% (138th of 1011)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

Prices

CHOOSE A COMPONENT:

System: Alienware Aurora R7

Popular XG5 NVMe PCIe M.2 256GB systems:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Poor (edit your comment) Add link

Speed Comparisons

Frequently Asked Questions

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Average Bench: 127% (138^th of 1011)