Brand: Synology · SKU: SAT5221-3840G · MPN: SAT5221-3840G · Category: Storage
The Synology SAT5221 series SSD is an enterprise-grade storage solution designed to handle demanding 24/7 mixed workloads in Synology NAS environments. With a 3.84TB capacity, it offers exceptional endurance with a 7,000 TBW (Total Bytes Written) rating and a 1.5 million-hour MTBF. It features a SATA III 6 Gb/s interface in a standard 2.5-inch 7mm form factor, delivering consistent sequential read speeds up to 500 MB/s and write speeds up to 500 MB/s. Built-in power loss protection (PLP) circuits and end-to-end data protection ensure data integrity during power failures or transmission. Optimized for Synology systems, it provides stable I/O performance and reduced latency for critical services and database applications.
| MTBF | 1.5 Million Hours |
|---|---|
| Capacity | 3.84 TB |
| Interface | SATA III 6 Gb/s |
| Form Factor | 2.5" (7mm) |
| Endurance (TBW) | 7,000 TB |
| Random Read (4KB) | 90,000 IOPS |
| Random Write (4KB) | 30,000 IOPS |
| Power Loss Protection | Yes |
| Sequential Read Speed | 500 MB/s |
| Sequential Write Speed | 500 MB/s |
| Warranty | 5-Year Limited Warranty |
| Weight | 0.19 lb |
| Dimensions | 3.9 x 2.75 x 0.3 in |
Enterprise-grade SATA SSD designed for Synology NAS, featuring high endurance, power loss protection, and optimized performance for 24/7 workloads.
Yes, this Synology 3.84TB SAT5221 SATA III 2.5" Internal SSD (SAT5221-3840G) is 100% genuine Synology hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Synology 3.84TB SAT5221 SATA III 2.5" Internal SSD includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the SAT5221-3840G.