Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

XG5 NVMe PCIe M.2 256GB
BENCHMARKS (14,100)
MKT (0.3%)
BUILDS
(1)
BUY • $70

▲ 515 ▼

Release date ≈ Q3 2017.

256GB 512GB 1TB

Effective Speed +27% Effective Speed 27%Average User Bench +22% Read 157%, Write -1%, 4K Read -4%, 4K Write 5%, Mixed 24%, 4K Mixed -13%, SusWrite -17%Peak Lab Bench +83% Read 254%, Write 110%, 4K Read 11%, 4K Write 14%, Mixed 164%, 4K Mixed 10%, SusWrite 18%Value & Sentiment -60%User Rating -66%, Market Share -253%, Price 43%, Value 37%Nice To Haves +76% DQ Read 98%, DQ Write 135%, DQ Mixed 90%, ADQ Read 34%, ADQ Write 14%, ADQ Mixed 13%, Age 123%, AS-SSD Total 101%

Market Leaders

Average Bench: 127% (121^st of 996)

Based on 14,100 user benchmarks. Models: KXG50ZNV256G NVMe TOSHIBA 256GB, NVMe KXG50ZNV256G NVM, KXG50ZNV256G TOSHIBA

Poor: 77%Average: 127% Great: 187%

Popular builds with this SSD

Outstanding average bench

The Toshiba XG5 NVMe PCIe M.2 256GB averaged 27.1% 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 303MB/s

Avg. Sequential Read Speed 1,191MB/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 110%. 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 256MB/s

Avg. Sequential Write Speed 408MB/s

Average Bench

(Based on 14,100 samples)

Rank 121127%

Min	Avg	Max
367	Read 1,191	1,794
48.7	Write 408	1,019
91.2	Mixed 440	1,081
54	SusWrite 256	462
126% 574 MB/s

Min	Avg	Max
14.4	4K Read 32.9	47.4
29.3	4K Write 97	144
16.9	4K Mixed 40.3	63.2
153% 56.7 MB/s

Min	Avg	Max
184	DQ Read 433	726
60.1	DQ Write 344	835
46	DQ Mixed 303	623
250% 360 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

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

USA-User, 4 hrs ago.

188GB free (System drive)

Firmware: AADA4105 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 618 315 320 328 310 334 MB/s

199% Outstanding

Write 1,044

Mixed 1,059

SusWrite 371

236% 1,064 MB/s

4K Read 38.9

4K Write 166

4K Mixed 59.4

223% 88 MB/s

DQ Read 719

DQ Write 946

DQ Mixed 620

527% 761 MB/s

CAN-User, 10 hrs ago.

56GB free (System drive)

Firmware: AADA4105 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 300 241 226 189 166 153 MB/s

127% Outstanding

Write 318

Mixed 405

SusWrite 212

104% 476 MB/s

4K Read 34.6

4K Write 151

4K Mixed 49.8

196% 78.6 MB/s

DQ Read 363

DQ Write 337

DQ Mixed 291

235% 330 MB/s

IND-User, 9 hrs ago.

81GB free (System drive)

Firmware: AADA4105 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 276 263 213 203 194 187 MB/s

127% Outstanding

Write 398

Mixed 349

SusWrite 222

129% 596 MB/s

4K Read 27.1

4K Write 86.4

4K Mixed 37.6

135% 50.4 MB/s

DQ Read 362

DQ Write 329

DQ Mixed 300

237% 330 MB/s

USA-User, 13 mins ago.

112GB free (System drive)

Firmware: AADA4105 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 261 311 288 277 275 262 MB/s

124% Outstanding

Write 300

Mixed 430

SusWrite 279

112% 512 MB/s

4K Read 29.5

4K Write 93.9

4K Mixed 41.6

148% 55 MB/s

DQ Read 360

DQ Write 531

DQ Mixed 287

262% 393 MB/s

USA-User, 9 mins ago.

147GB free (System drive)

Firmware: AADA4106 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 549 302 284 256 227 191 MB/s

112% Outstanding

Write 648

Mixed 322

SusWrite 302

116% 522 MB/s

4K Read 27.5

4K Write 82

4K Mixed 38

134% 49.2 MB/s

DQ Read 372

DQ Write 533

DQ Mixed 578

402% 494 MB/s

POL-User, 6 hrs ago.

37GB free (System drive)

Firmware: 4102 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 226 236 216 197 179 176 MB/s

108% Outstanding

Write 314

Mixed 351

SusWrite 205

111% 508 MB/s

4K Read 22.2

4K Write 68

4K Mixed 29.3

107% 39.8 MB/s

DQ Read 403

DQ Write 310

DQ Mixed 275

228% 329 MB/s

SWE-User, 2 hrs ago.

98GB free (System drive)

Firmware: AADA4105 Max speed: PCIe 5,000 MB/s

SusWrite @10s intervals: 37 35 49 44 87 109 MB/s

80.9% Excellent

Write 4

Mixed 7.8

SusWrite 60.2

73% 351 MB/s

4K Read 58.2

4K Write 0.1

4K Mixed 1.5

90% 19.9 MB/s

14,100 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 13,722,657 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 5,651 builds) See popular component choices, score breakdowns and rankings.

Gaming 109%

UFO

Desktop 101%

UFO

Workstation 91%

Nuclear submarine

System: Alienware Aurora R7

CPU
Core i7-8700Intel $295Bench 102%, 75,075 samples	2,618x
Core i7-8700KIntel $366Bench 108%, 255,707 samples	1,851x
Core i5-8400Intel $199Bench 89%, 78,784 samples	1,021x

GPU
GTX 1080Nvidia $528Bench 122%, 465,183 samples	1,572x
GTX 1080-TiNvidia $808Bench 151%, 310,584 samples	1,234x
GTX 1070Nvidia $379Bench 98%, 545,643 samples	1,197x

SSD
XG5 NVMe PCIe M.2 256GBToshiba $70Bench 127%, 14,100 samples	1,618x

RAM
8ATF1G64AZ-2G6H1 2x8GBUnknownBench 79%, 3,238 samples	1,211x
M378A1K43CB2-CTD 2x8GBUnknownBench 80%, 1,345 samples	638x
8ATF1G64AZ-2G6E1 2x8GBUnknownBench 80%, 1,525 samples	578x

EDIT WITH CUSTOM PC BUILDER

Value: 103% - Outstanding

Total price: $893

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.

UserBenchmark of the month

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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.
- See speed test results from other users.
- Compare your components to the current market leaders.
- Explore your best upgrade options with a virtual PC build.
- Compare your in-game FPS to other users with your hardware.
- Share your opinion by voting.

Solid State Drive Rankings (Price vs Performance) April 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.

996 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 i7-8700K $366	Nvidia GTX 1070 $379	Samsung 850 Evo 250GB $100
AMD Ryzen 5 2600 $159	Nvidia GTX 1060-6GB $230	Samsung 850 Evo 500GB $80
AMD Ryzen 5 1600 $115	Nvidia GTX 1080-Ti $808	Samsung 850 Pro 256GB $93

HDD	RAM	USB
Seagate Barracuda 1TB (2016) $45	Corsair Vengeance LPX DDR4 3000 C15 2x8GB $95	SanDisk Extreme 64GB $128
Seagate Barracuda 3TB (2016) $75	G.SKILL Trident Z DDR4 3200 C14 4x16GB $711	SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $40	Corsair Vengeance LPX DDR4 3200 C16 2x8GB $100	SanDisk Ultra Fit 32GB $12

Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

Average Bench: 127% (121^st of 996)

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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Best User Rated

		$701 month
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Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

Average Bench: 127% (121st of 996)

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

Average (edit your comment) Add link

Speed Comparisons

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Average Bench: 127% (121^st of 996)