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SAT5200-3840G
Synology SSD SAT5200-3840G 2.5" 3840 GB Serial ATA III (SAT5...
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.

Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
SAT5200-3840G is a high-performance HDD engineered for demanding environments, offering a 3.5-inch form factor with a SATA III interface. It features a 7200 RPM spindle speed, a 4 TB storage capacity, and a 256 MB buffer, making it ideally suited for data centers, desktops, NAS, and surveillance applications.
Designed for continuous operation, the SAT5200-3840G has an annual workload rating of 550 TB/yr and is built to meet rigorous MTBF standards for 24/7 reliability. Advanced features such as helium-sealed construction, vibration protection, and a dual actuator mechanism further enhance its performance and durability for server and enterprise storage environments.
SAT5200-3840G price is is available on request. Get immediate quote.
Request bulk order quote for SAT5200-3840G for additional pricing. Browse the full Synology Hard Drives & SSDs series or explore all Synology products.
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| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SAS 12Gb/s | SATA III | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 4 TB | 16 TB | 400 GB | 400 GB | 8 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 256 MB | 256 MB | 64 MB | 128 MB | 128 MB |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 150 MB/s | Up to 250 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 550 TB/yr | 550 TB/yr | 300 TB/yr | 180 TB/yr | 300 TB/yr |
| Encryption Support | AES 256-bit | No | AES 256-bit | No | AES 256-bit |
| Helium Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Multi-bay | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | Yes | Yes | Yes | Yes | Yes |
| Advanced Features | Dual Actuator | Rotational Vibration Sensors | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–60°C | 5–60°C | 5–60°C | 5–60°C | 5–55°C |
| Product Name | SAT5200-3840G | HAT5300-16T | SNV3500-400G | SNV3400-400G | HAT5300-8T Official HDD |
| Height | 1 in | 1.0 inches | 1.03 inches | 1.04 inches | 1.03 inches |
| Width | 5.8 in | 4.0 inches | 4.00 inches | 5.78 inches | 5.79 inches |
| Depth | 4 in | 5.8 inches | 5.79 inches | 4.0 inches | 4.04 inches |
| Weight | 2.2 lbs | 1.8 lbs | 2.2 lbs | 2.0 lbs | 4.85 lbs |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Exceptional SSD endurance and speed. Perfect for intensive workloads needing reliable high-capacity flash storage for servers.
Superior reliability and consistent IOPS. These enterprise SSDs have significantly improved our system responsiveness and uptime.
Top-tier flash performance. A trustworthy choice for mission-critical databases and high-traffic office storage environments.
Robust build quality and steady throughput. These drives provide the professional-grade reliability our enterprise data demands.
Outstanding capacity and data integrity. Essential for businesses requiring high-performance storage with long-term endurance and stability.
High-performance SATA SSD for professional NAS. It delivers fast data access and absolute stability under heavy loads.
The Synology SSD SAT5200-3840G is a 2.5" SATA III enterprise drive with 3.84 TB capacity, up to 560 MB/s sequential read, 520 MB/s sequential write, 41 000 random read IOPS, 70 000 random write IOPS, 0.3 DWPD endurance, power-loss protection, and a 5-year limited warranty.
The SAT5200-3840G features a 2.5-inch form factor and delivers 3.84 TB (3840 GB) of raw storage capacity.
The SAT5200-3840G supports the Serial ATA III interface at 6 Gb/s with backward compatibility to SATA II.
Under typical enterprise workloads, the SAT5200-3840G delivers up to 560 MB/s sequential read, 520 MB/s sequential write, 41 000 random read IOPS, and 70 000 random write IOPS.
The SAT5200-3840G is rated for 0.3 drive writes per day (DWPD) over its 5-year warranty, equivalent to approximately 2 100 TBW.
Yes, the SAT5200-3840G is officially qualified for all Synology NAS models with SATA bays and can be managed directly through Synology DSM.
Yes, the SAT5200-3840G is a standard SATA III SSD and can be installed in any server or workstation supporting 2.5-inch SATA drives.
Yes, the SAT5200-3840G supports AES 256-bit hardware encryption (TCG Opal 2.0) to secure data at rest.
The SAT5200-3840G includes a 5-year limited warranty backed by Synology’s global service network.
Slide the SAT5200-3840G into any 2.5″ SATA bay, secure it with screws, connect the SATA power and data cables, then initialize the drive in your OS or Synology DSM.
The SAT5200-3840G consumes approximately 4.2 W during active operation and 0.3 W when idle, optimizing energy efficiency.
The SAT5200-3840G operates reliably between 0 °C and 70 °C (32 °F to 158 °F), suitable for data centers and industrial environments.
The SAT5200-3840G is designed for continuous 24/7 operation with an MTBF of 2 million hours, power-loss protection, and end-to-end data integrity features.
Yes, the SAT5200-3840G supports SMART attributes and can be monitored via Synology DSM or any SMART-compatible utility for predictive maintenance.
The SAT5200-3840G is fully supported by Synology RackStation, DiskStation, and FlashStation models with SATA slots, including RS1619xs+, DS918+, FS6400, and more.
Ideal use cases include virtualization acceleration, database caching, tiered storage in NAS environments, high-performance web hosting, and enterprise backup storage.