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RONGSHU RS550 512GB SATA III 2.5"

★★★★★ 4.6 (395)

The RONGSHU RS550 hits 550 MB/s read and 500 MB/s write over SATA III, with TLC NAND that lasts more than twice as long as QLC, making it a reliable upgrade for older systems. Its 512GB capacity and universal compatibility with Windows, macOS, and Linux fit a wide range of devices, while low power and quiet operation suit daily use. Best for budget-conscious users replacing a mechanical hard drive in a laptop or desktop to speed up boot times and file transfers.

Capacity 512GB
Form Factor 2.5"
Interface SATA III
Read Speed 550 MB/s
NAND TLC
RONGSHU RS550 512GB SATA III 2.5" ssd
35 Overall Score

No current retailer price

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Snapshot

Pros & Cons

Pros

  • Strong affordability (83rd percentile) 83rd
  • Strong user sentiment (79th percentile) 79th
  • Strong social proof (77th percentile) 77th

Cons

  • Below average endurance (15th percentile)
  • Below average random (23rd percentile)
  • Below average speed (28th percentile)
  • Below average capacity (35th percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has held steady over time
88/100Our AI sentiment readmedium confidence · 12 sources · Nov 2026
1★2★3★4★5★Q3 '25: 4.0★ · 1 reviewQ4 '25: 5.0★ · 2 reviewsQ1 '26: 5.0★ · 6 reviewsQ2 '26: 5.0★ · 3 reviews1263Q3 '25Q4 '25Q1 '26Q2 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 12 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Speed 28.3
Random 22.7
Feature 53.5
Capacity 34.9
User Sentiment 79.4
Endurance 14.8
Social Proof 77.4
Affordability 83.1

Specifications

Full Specifications

Drive

Capacity 512
Form Factor 2.5"
Interface SATA III
Protocol SATA
External No

Performance

Sequential Read (MB/s) 550
Sequential Write (MB/s) 500

Hardware

NAND TLC

vs Competition

Spec RONGSHU RS550 Samsung 9100 PRO Western Digital WD_BLACK WDS800T2XHE Kingston FURY Renegade SFYRDK/4000G Micron T710 CT4000T710SSD5 Crucial T500
Capacity 512GB 4TB 8TB 4TB 4TB 2TB
Form Factor 2.5" M.2 2280 M.2 2280 M.2 2280 M.2 2280 M.2 2280
Interface SATA III PCIe 5.0 x4 PCIe 4.0 PCIe 4.0 x4 PCIe 5.0 PCIe 4.0 x4
Seq Read 550 MB/s 14,800 MB/s 7,300 MB/s 7,300 MB/s 14,500 MB/s 7,400 MB/s
Nand Type TLC TLC TLC TLC TLC TLC
Dram Cache - true true true false true
Endurance - 2400 TBW 4800 TBW 4000 TBW 2400 TBW 1200 TBW
Compare Compare Compare Compare Compare
Product SpeedRandomFeatureCapacityUser SentimentEnduranceSocial ProofAffordability
RONGSHU RS550 28.322.753.534.979.414.877.483.1
Samsung 9100 PRO Compare 99.299.899.792.608699.65.3
Western Digital WD_BLACK WDS800T2XHE Compare 8996.49498.1088.195.44
Kingston FURY Renegade SFYRDK/4000G Compare 93.394.49492.6094.195.49.5
Micron T710 CT4000T710SSD5 Compare 99.199.289.492.608677.411.1
Crucial T500 Compare 9496.998.978.679.48395.419.4

Usage Scores

Overall (35.4)Budget (76.3)Gaming (23.5)Laptop (32.3)Console (12)Portable (9.2)Workstation (29.3)
  • Overall35.4
  • Budget76.3
  • Gaming23.5
  • Laptop32.3
  • Console12
  • Portable9.2
  • Workstation29.3

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

Other Configurations1

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