800 GB enterprise M.2 NVMe SSD
Synology SNV5420-800G 800 GB M.2 NVMe SSD
The Synology SNV5420-800G is a 800 GB M.2 2280 NVMe PCIe 3.0 x4 enterprise SSD for supported Synology systems, rated for sustained sequential reads up to 3,000 MB/s and >1,400 endurance.
- Capacity
- 800 GB
- Interface
- NVMe PCIe 3.0 x4
- Random read
- 400,000 IOPS
- Endurance
- >1,400 TBW
Sustained NVMe performance for Synology storage acceleration
The Synology SNV5420-800G is designed for demanding cache and storage workloads in compatible Synology systems. Its sustained I/O ratings, power-loss protection and DSM-oriented deployment model make it a strong fit where predictable NVMe behaviour and manufacturer validation are required.
High sequential throughput
Rated for sustained reads up to 3,000 MB/s and writes up to 1,000 MB/s.
Capacity-specific random I/O
Rated up to 400,000 IOPS random read and 70,000 IOPS random write.
Enterprise endurance
>1,400 TBW is specified using the JESD219A enterprise workload.
Power-loss protection
Protection is specified to help safeguard in-flight data during unexpected power interruption.
Compact M.2 format
The M.2 2280 form factor supports compatible internal slots and approved Synology adapter-card deployments.
Five-year warranty
Synology provides a five-year limited warranty for the exact SNV5420 configuration.
Who is the Synology SNV5420-800G best for?
A strong choice for
- Compatible Synology systems requiring a 800 GB M.2 NVMe SSD
- Demanding caching workloads in 24/7 environments
- Storage services that benefit from sustained random I/O
- Administrators wanting Synology-validated NVMe media
- Supported internal-slot or Synology adapter-card installations
Consider another model if you need
- You need a 2.5-inch SATA SSD rather than M.2 NVMe
- The target system does not list this model or installation method as compatible
- You require more than 800 GB per drive
- You need portable external storage
Key specifications
- Model
- SNV5420-800G
- Capacity
- 800 GB
- Form factor
- M.2 2280
- Interface
- NVMe PCIe 3.0 x4
- Sequential read
- 3,000 MB/s
- Sequential write
- 1,000 MB/s
- Random read
- 400,000 IOPS
- Random write
- 70,000 IOPS
- Endurance
- >1,400 TBW
- Warranty
- 5 years
Full technical specifications
Performance and endurance
| Model | SNV5420-800G |
|---|---|
| Capacity | 800 GB |
| Form factor | M.2 2280 |
| Interface | NVMe PCIe 3.0 x4 |
| Sustained sequential read (128 KB, QD32) | 3,000 MB/s |
| Sustained sequential write (128 KB, QD32) | 1,000 MB/s |
| Sustained random read (4 KB, QD256) | 400,000 IOPS |
| Sustained random write (4 KB, QD256) | 70,000 IOPS |
| Terabytes written (TBW) | >1,400 |
| Mean time between failures (MTBF) | 3 million hours |
| Uncorrectable bit error rate (UBER) | <1 sector per 1017 bits read |
| Power-loss protection | Supported |
| Warranty | 5 years |
Power, environment and installation
| Active read (typical) | 5 W |
|---|---|
| Active write (typical) | 5.5 W |
| Idle | 2.5 W |
| Operating temperature | 0°C to 85°C (32°F to 185°F) |
| Storage temperature | -40°C to 85°C (-40°F to 185°F) |
| Supply voltage | 3.3 V (±5%) |
| Dimensions (H × W × D) | 3.5 mm × 22 mm × 80 mm |
| Certifications | FCC, CE, EAC, BSMI, VCCI, KC, RoHS, UKCA and UL |
| Supported installation routes | Compatible internal M.2 slot, E10M20-T1, M2D20 or M2D18; exact system compatibility must be confirmed |
Frequently asked questions about the Synology SNV5420-800G
What is the Synology SNV5420-800G?
It is a 800 GB M.2 2280 NVMe PCIe 3.0 x4 enterprise SSD for compatible Synology systems.
What capacity does the SNV5420-800G provide?
The SNV5420-800G provides 800 GB of NVMe SSD capacity.
What interface does the SNV5420-800G use?
It uses an NVMe PCIe 3.0 x4 interface in an M.2 2280 form factor.
How fast is the SNV5420-800G for sequential transfers?
It is rated for sustained sequential reads up to 3,000 MB/s and writes up to 1,000 MB/s.
What random performance does the SNV5420-800G provide?
Synology rates it up to 400,000 IOPS random read and 70,000 IOPS random write.
What is the endurance rating of the SNV5420-800G?
Synology specifies >1,400 TBW based on the JESD219A enterprise workload.
Does the SNV5420-800G include power-loss protection?
Yes. Power-loss protection is specified for this SNV5420 model.
How can the SNV5420-800G be installed?
Synology lists compatible internal M.2 slots and the E10M20-T1, M2D20 and M2D18 installation routes, subject to exact system compatibility.
What operating temperature is specified for the SNV5420-800G?
The specified operating range is 0°C to 85°C.
What warranty applies to the SNV5420-800G?
Synology specifies a five-year limited warranty.
- Performance figures are sustained single-drive results from Synology testing; actual results vary with host hardware, software and configuration.
- Endurance is based on the JESD219A enterprise workload.
- Confirm the exact Synology system, adapter and current compatibility status before purchase.
- Power consumption can vary by platform and configuration.
