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Kingston

RBU-SC4 256GB

▲ 500 ▼

Release date ≈ Q2 2016.

Average Bench: 69.1% (683rd of 1072)

Based on 14 user benchmarks.  Model: KINGSTON RBU-SC4
Poor: 47%Average: 69.1% Great: 85%

Popular builds with this SSD

Above average average bench

The Kingston RBU-SC4 256GB averaged 30.8% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 94.5MB/s
Avg. 4K Random Write Speed 72.7MB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Kingston RBU-SC4 256GB is 38.2%. This is a relatively wide range which indicates that the Kingston RBU-SC4 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 202MB/s
Avg. Sequential Write Speed 250MB/s
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Average Bench

(Based on 14 samples)
Rank 68369.1%
Min Avg Max
290 Read 363 530
192 Write 250 289
200 Mixed 254 288
141 SusWrite 202 240
59.8% 267 MB/s
Min Avg Max
16.1 4K Read 24.5 36.4
23.7 4K Write 72.7 109
17 4K Mixed 28.7 44.4
112% 41.9 MB/s
Min Avg Max
26.7 DQ Read 191 296
60.2 DQ Write 168 255
9.83 DQ Mixed 94.5 174
94% 151 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
221GB free
Firmware: BBF0
SusWrite @10s intervals: 178 231 230 228 203 231 MB/s
88.9% Excellent
Read 354
Write 287
Mixed 281
SusWrite 217
64% 285 MB/s
4K Read 31.8
4K Write 108
4K Mixed 42.7
160% 60.8 MB/s
DQ Read 296
DQ Write 255
DQ Mixed 159
151% 236 MB/s
221GB free
Firmware: BBF0
SusWrite @10s intervals: 210 228 228 173 193 191 MB/s
83.2% Excellent
Read 367
Write 272
Mixed 274
SusWrite 204
62% 279 MB/s
4K Read 25
4K Write 107
4K Mixed 37.8
143% 56.5 MB/s
DQ Read 296
DQ Write 252
DQ Mixed 174
158% 241 MB/s
221GB free
Firmware: BBF0
SusWrite @10s intervals: 181 189 185 193 190 187 MB/s
82.4% Excellent
Read 386
Write 281
Mixed 264
SusWrite 188
62% 280 MB/s
4K Read 28.7
4K Write 105
4K Mixed 34.2
143% 56.1 MB/s
DQ Read 296
DQ Write 249
DQ Mixed 171
156% 239 MB/s
17GB free (System drive)
Firmware: KD1ABBF0
SusWrite @10s intervals: 167 135 125 134 150 138 MB/s
71.9% Very good
Read 325
Write 214
Mixed 208
SusWrite 141
50% 222 MB/s
4K Read 27.4
4K Write 72.6
4K Mixed 36.2
126% 45.4 MB/s
DQ Read 292
DQ Write 209
DQ Mixed 127
128% 209 MB/s
14 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,860,286 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 RBU-SC4 256GB Builds (Compare 367 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 19%
Surfboard
Desktop
Desktop 77%
Battleship
Workstation
Workstation 16%
Surfboard

System: Asus G10AC

CPU
Core i7-4770Intel  $75Bench 70%, 176,321 samples212x
Core i7-4770SIntel  $112Bench 71%, 13,157 samples94x
Core i5-4570Intel  $99Bench 62%, 129,272 samples22x
GPU
GTX 760 (192-bit)NvidiaBench 20%, 10,656 samples61x
GTX 1060-6GBNvidia  $117Bench 56%, 1,368,019 samples35x
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples25x
SSD
RBU-SC4 256GBKingstonBench 69%, 14 samples1x
RAM
M378B1G73DB0-CK0 2x8GBSamsungBench 55%, 9,947 samples37x
MI64C1D1629Z1 2x8GBAdataBench 54%, 2,816 samples22x
ASU16D3LU1KBG/8G 4x8GBKingstonBench 56%, 370 samples20x
EDIT WITH CUSTOM PC BUILDER Value: 101% - Outstanding Total price: $75

Popular RBU-SC4 256GB systems:

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

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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
  • - SkillBench (space shooter) tests user input accuracy
  • - 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
Solid State Drive Rankings (Price vs Performance) May 2024 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.

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Speed Comparisons

vs Crucial MX500 250GB
vs Samsung 850 Evo 120GB
vs Samsung 860 Evo 250GB
vs Samsung 870 Evo 250GB
vs Samsung 850 Pro 512GB
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vs HyperX Savage 240GB
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vs Samsung 850 Evo 1TB

1072 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 »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $250Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $175Nvidia RTX 4070 $550Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $45SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $45SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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