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The Synology RS4021xs+ is a 3U rackmount NAS built for businesses that need high capacity and performance. It pairs an 8-core Intel Xeon D-1541 with 16GB of ECC memory and 16 drive bays, plus six Ethernet ports for failover or link aggregation. Reviewers praise its throughput and reliability, though some note fan noise and the need to add drives and expansion units for maximum scalability. It competes with other enterprise NAS units but stands out for its balance of price and features.
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In stockSold by IPC StoreReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
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Lowest price we've seen: $6,699.99 on Nov 11 at B&H Photo-Video-Audio; highest $8,238.33 on Nov 9. Tracked across 3 stores since Nov 9.
Owners and reviewers generally praise the RS4021xs+ for its strong performance, reliability, and expandability. Some mention that it can be noisy and that the initial setup requires additional investment in drives and accessories.
Why settle for less when you can have the RackStation RS4021xs+ 3U 16-Bay NAS Server This high-performance, reliable, and user-friendly server is engineered for data-intensive applications, ensuring your business assets are secure and accessible. With its robust 16-bay capacity, the RS4021xs+ offers ample storage space for your files and data. Powered by an 8-core Intel Xeon D-1541 processor clocking at 2.1 GHz, this server delivers lightning-fast performance, boasting over 234K 4K random read IOPS and a sequential read throughput of 6,258 MB/s. The RS4021xs+ is equipped with 16GB ECC DDR4 memory, scalable up to 64GB, and supports up to 40 drive bays with RX1217(RP), making it a durable and spacious solution for large multi-user environments handling data-intensive workloads. Designed for service continuity, this NAS server features built-in dual-port 10GbE for seamless networking. Its redundant power supply units (PSUs) and hot-swappable fans ensure uninterrupted operation, even in the event of a PSU failure or accidental cord removal. The RS4021xs+ utilizes Synology High Availability (SHA) to create an active-passive cluster, ensuring minute-level failover and maximum service availability. Its next-generation Btrfs file system prevents data corruption, reduces maintenance overheads, and optimizes snapshots for efficient storage management. Customize the RS4021xs+ to suit your business needs with two PCIe slots for performance, networking, and storage upgrades. Boost read/write IOPS by up to 16 times with Synology's M.2 NVMe adapter cards and SNV3500 SSDs or by installing one or more 2.5" SAT5200 SSDs. The RS4021xs+ also offers the ultimate backup solutions, license-free. With Hyper Backup, you can secure data locally, on another Synology device, rsync server, or cloud-based storage. Snapshot Replication allows for flexible point-in-time backups of shared folders and iSCSI LUNs, with fast recovery in seconds. The RS4021xs+ is also an all-in-one surveillance solution, transforming into a Network Video Recorder with support for up to 90 IP cameras. Access recordings and live streams anytime, anywhere, with real-time alerts for incident notifications. Running on Synology DiskStation Manager (DSM), the RS4021xs+ offers a suite of powerful applications and services for business, including a Central Management System, Synology Drive, Collaboration Suite, and Virtual Machine Manager. Secure your data with comprehensive built-in security tools and enjoy easy backup and synchronization between public cloud accounts and your NAS. Choose the RackStation RS4021xs+ 3U 16-Bay NAS Server for a reliable, high-performance, and user-friendly storage solution.
