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Toshiba KXG50ZNV256G

XG5 NVMe PCIe M.2 256GB

▲ 5111 ▼

Release date ≈ Q3 2017.

Average Bench: 130% (142nd of 1021)

Based on 24,286 user benchmarks.  Models: KXG50ZNV256G NVMe TOSHIBA 256GB, NVMe KXG50ZNV256G NVM, KXG50ZNV256G TOSHIBA
Poor: 76%Average: 130% Great: 191%

Popular builds with this SSD

Outstanding average bench

The Toshiba XG5 NVMe PCIe M.2 256GB averaged 29.5% 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 307MB/s
Avg. Sequential Read Speed 1,216MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Toshiba XG5 NVMe PCIe M.2 256GB is 115%. 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 244MB/s
Avg. Sequential Write Speed 379MB/s
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Average Bench

(Based on 24,286 samples)
Rank 142130%
Min Avg Max
437 Read 1,216 1,796
41 Write 379 1,012
71.9 Mixed 434 1,062
39.6 SusWrite 244 434
124% 568 MB/s
Min Avg Max
13.4 4K Read 35.5 48.2
23.9 4K Write 98.8 142
11.3 4K Mixed 42.1 64.9
160% 58.8 MB/s
Min Avg Max
275 DQ Read 443 732
55.1 DQ Write 340 907
88.9 DQ Mixed 307 628
253% 363 MB/s
User Benchmarks Bench Sequential Random 4k Deep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
148GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 296 338 312 318 287 268 MB/s
191% Outstanding
Read 1,849
Write 698
Mixed 1,133
SusWrite 303
220% 996 MB/s
4K Read 48.9
4K Write 138
4K Mixed 69.7
236% 85.5 MB/s
DQ Read 693
DQ Write 440
DQ Mixed 295
293% 476 MB/s
148GB free (System drive)
Firmware: AADA4105 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 360 333 309 309 309 304 MB/s
185% Outstanding
Read 1,811
Write 812
Mixed 1,119
SusWrite 321
224% 1,016 MB/s
4K Read 48.5
4K Write 137
4K Mixed 68.7
234% 84.8 MB/s
DQ Read 632
DQ Write 283
DQ Mixed 244
237% 386 MB/s
158GB free (System drive)
Firmware: AAHA4102 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 282 305 310 298 323 296 MB/s
150% Outstanding
Read 1367
Write 542
Mixed 396
SusWrite 302
143% 652 MB/s
4K Read 34.7
4K Write 145
4K Mixed 51.1
195% 77 MB/s
DQ Read 433
DQ Write 318
DQ Mixed 286
238% 346 MB/s
149GB free (System drive)
Firmware: AADA4107 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 323 313 289 303 275 269 MB/s
145% Outstanding
Read 1215
Write 383
Mixed 431
SusWrite 296
127% 581 MB/s
4K Read 34.9
4K Write 140
4K Mixed 47.9
188% 74.1 MB/s
DQ Read 429
DQ Write 520
DQ Mixed 235
244% 394 MB/s
200GB free (System drive)
Firmware: AAMS4103 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 265 292 284 280 269 284 MB/s
111% Outstanding
Read 959
Write 511
Mixed 407
SusWrite 279
119% 539 MB/s
4K Read 32
4K Write 78.4
4K Mixed 34.1
134% 48.2 MB/s
DQ Read 402
DQ Write 248
DQ Mixed 311
236% 320 MB/s
107GB free (System drive)
Firmware: AADA4106 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 267 268 242 221 200 211 MB/s
91.7% Outstanding
Read 578
Write 358
Mixed 360
SusWrite 235
85% 383 MB/s
4K Read 27.8
4K Write 82.6
4K Mixed 30.6
125% 47 MB/s
DQ Read 420
DQ Write 312
DQ Mixed 298
241% 343 MB/s
30GB free
Firmware: AAMS4103 Max speed: PCIe 5,000 MB/s
SusWrite @10s intervals: 50 70 81 87 85 94 MB/s
78.9% Very good
Read 542
Write 77.5
Mixed 100
SusWrite 77.7
43% 200 MB/s
4K Read 32.3
4K Write 99.6
4K Mixed 29.2
139% 53.7 MB/s
DQ Read 361
DQ Write 129
DQ Mixed 232
175% 241 MB/s
24,286 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 26,405,480 SSDs tested.

 Prices

AmazonUS $5010 months
EbayUS $756 mins
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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 10,585 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 97%
Nuclear submarine
Desktop
Desktop 93%
Nuclear submarine
Workstation
Workstation 81%
Aircraft carrier

System: Alienware Aurora R7

CPU
Core i7-8700Intel  $344Bench 90%, 173,216 samples5,125x
Core i7-8700KIntel  $350Bench 95%, 464,053 samples3,234x
Core i5-8400Intel  $175Bench 86%, 180,718 samples1,916x
GPU
GTX 1080Nvidia  $540Bench 102%, 678,876 samples2,728x
GTX 1070Nvidia  $415Bench 78%, 846,070 samples2,253x
GTX 1080-TiNvidia  $740Bench 130%, 508,712 samples2,008x
SSD
XG5 NVMe PCIe M.2 256GBToshiba  $50Bench 130%, 24,286 samples2,580x
RAM
8ATF1G64AZ-2G6H1 2x8GBUnknownBench 78%, 4,404 samples1,805x
HMA81GU6CJR8N-VK 2x8GBUnknownBench 79%, 3,179 samples1,112x
8ATF1G64AZ-2G6E1 2x8GBUnknownBench 80%, 4,172 samples1,086x
EDIT WITH CUSTOM PC BUILDER Value: 59% - Above average Total price: $934

Popular XG5 NVMe PCIe M.2 256GB systems:

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Solid State Drive Rankings (Price vs Performance) May 2020 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]

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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.

 Comments

Added n/a ago.
USA-User
Avatar level
6,502

Poor (edit your comment) Add link

9 months ago.

runs slower than regular SSD. Price is cheap but it's not worth it

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 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?
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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9400F $165Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $49
Intel Core i5-9600K $199Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $370Nvidia RTX 2070S (Super) $500Samsung 860 Evo 250GB $56
HDDRAMUSB
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WD Blue 1TB (2012) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Ultra Fit 32GB $16
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