Dynabook RD400 256 GB M.2 PCI Express 3.1 NVMe MLC
- Capacity
- 256 GB
- Form factor
- M.2
- Read speed
- 2600 MB/s
- Write speed
- 1150 MB/s
- Interface
- PCI Express 3.1
- NAND type
- MLC
- Transfer rate
- 32 Gbit/s
- NVMe
- Y
- Depth
- 80 mm
Overview
The Dynabook RD400 256 GB M.2 PCI Express 3.1 NVMe MLC features a 256 GB SSD and NVMe support. Full verified specifications are listed below.
Compatibility
- Requires MLC memory — not interchangeable with other generations.
Compatibility data is automatically generated. Always verify critical specs before purchase.
Technical Specifications
Showing 28 key specifications of 34
All values come from this product’s catalog record.- Capacity
- 256 GB
- Form factor
- M.2
- Read speed
- 2600 MB/s
- Write speed
- 1150 MB/s
- Interface
- PCI Express 3.1
- NAND type
- MLC
- Transfer rate
- 32 Gbit/s
- NVMe
- Yes
- Depth
- 80 mm
- Width
- 22 mm
- Height
- 2.23 mm
- Weight
- 7.2 g
- TBW rating
- 148
- NVMe version
- 1.1b
- TRIM support
- Yes
- Intended use
- PC/Notebook
- SSD usage tag
- Consumer
- Operating voltage
- 3.3 V
- Random read (4KB)
- 210000
- Random write (4KB)
- 140000
- S.M.A.R.T. support
- Yes
- Non-operating shock resistance
- 1000
- Operating vibration tolerance
- 2.17
- Non-operating vibration tolerance
- 3.13
- Storage temperature
- -40 - 85
- Operating temperature
- 0 - 70
- Power consumption (average)
- 6
- Endurance rating (for 5 years)
- 81
Show all 34 specifications
- Certifications
- UL/cUL, FCC, CE, RCM, KC, BSMI, VCCI, ISED
- PCI Express interface data lanes
- x4
- Linux distributions supported
- Yes
- MTBF
- 1500000
- Windows versions supported
- Windows 10,Windows 7,Windows 8.1
- Customs (HS) code
- 84717070
Market Value History
Price history table
| Date | Price |
|---|---|
| 2017-08-14 | $134.85 |
| 2017-08-21 | $137.59 |
| 2017-08-31 | $129.95 |
| 2017-09-05 | $129.85 |
| 2017-09-12 | $148.49 |
| 2017-09-18 | $118.79 |
| 2017-09-25 | $107.59 |
| 2017-10-03 | $155.82 |
| 2017-10-13 | $143.90 |
| 2017-10-19 | $136.94 |
| 2017-10-23 | $130.94 |
| 2017-11-06 | $125.84 |
| 2017-11-13 | $119.87 |
| 2017-11-21 | $121.91 |
| 2017-11-28 | $118.48 |
| 2017-12-05 | $138.59 |
| 2017-12-11 | $118.88 |
| 2017-12-19 | $115.95 |
| 2018-01-22 | $134.95 |
| 2018-01-30 | $134.99 |
| 2018-03-29 | $124.99 |
| 2018-04-18 | $114.99 |
| 2018-04-23 | $148.49 |
| 2018-04-30 | $155.59 |
| 2018-05-11 | $96.39 |
| 2018-05-14 | $115.50 |
| 2018-05-21 | $155.59 |
| 2018-06-01 | $153.95 |
| 2018-06-05 | $153.44 |
| 2018-07-13 | $149.99 |
| 2018-08-07 | $139.99 |
| 2018-08-31 | $149.99 |
| 2018-10-28 | $139.99 |
| 2018-11-08 | $129.99 |
| 2018-11-13 | $139.99 |
| 2019-02-14 | $199.17 |
| 2019-02-20 | $180.09 |
| 2019-02-27 | $179.99 |
| 2019-03-12 | $179.95 |
| 2019-04-19 | $179.95 |
| 2019-06-06 | $194.62 |
| 2019-06-10 | $194.51 |
| 2019-06-17 | $194.29 |
| 2019-06-25 | $194.07 |
| 2019-07-01 | $193.96 |
| 2019-07-09 | $193.74 |
| 2019-07-15 | $193.52 |
| 2019-07-22 | $193.19 |
| 2019-07-29 | $193.08 |
| 2019-09-04 | $192.75 |
| 2019-09-12 | $165.00 |
| 2019-09-19 | $192.75 |
| 2019-09-24 | $192.64 |
| 2019-10-03 | $192.53 |
| 2019-10-07 | $192.31 |
| 2019-10-14 | $192.20 |
| 2019-10-22 | $191.98 |
| 2019-10-29 | $191.87 |
| 2019-11-18 | $169.00 |
| 2023-10-13 | $3.54 |
Customer Reviews & Feedback
Based on 205 verified customer reviews on Amazon US.
Review Verification
Hardware Quest synchronizes these ratings daily with Amazon to reflect real buyer experiences, build quality, and long-term reliability.
Sources
Product lifecycle
Status uncertainAvailable catalog signals are incomplete, so current lifecycle status cannot be confirmed.
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