Storage NAS Synology RackStation RS4021xs+ 16-BAY (KIT-SNG-RS4021XSP1)

Storage NAS Synology RackStation RS4021xs+ 16-BAY (KIT-SNG-RS4021XSP1)

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The Synology RS4021xs+ (KIT-SNG-RS4021XSP1) is a 16-bay, 3U RackStation designed for workloads requiring high throughput and data integrity, with built-in redundant power for continuous operation. It's well suited for enterprises hosting demanding services such as virtualization, mail servers, office collaboration, and surveillance in high multi-user environments.

Key Features of Synology RS4021xs+

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16 Drive Bays, Expandable to 40 Drives
Supports 16 x 3.5" or 2.5" SATA HDDs/SSDs, expandable up to 40 drives with two RX1217/RX1217RP expansion units.

Powered by an 8-Core Intel Xeon D-1541 Processor
Driven by an 8-core, 16-thread Intel Xeon D-1541 processor at 2.1 GHz (up to 2.7 GHz Turbo), with 16GB of DDR4 ECC memory (expandable up to 64GB) for efficient handling of enterprise workloads.

Up to 234,698 IOPS Performance
Delivers up to 234,698 4K random read IOPS, with sequential read speeds of up to 6,258 MB/s, ideal for workloads with high concurrent user access.

High-Speed Networking with Comprehensive Ports
Equipped with two 10GbE ports and four Gigabit Ethernet ports, plus two PCIe 3.0 x8 slots for optional M.2 NVMe cache adapters or high-bandwidth network cards.

Dual Power Supply and Hot-Swappable Fans
Comes with two redundant power supplies to protect against PSU failure or accidental cord removal, plus hot-swappable fans that can be replaced without powering down the system.

High Availability with Minute-Level Failover
Supports Synology High Availability (SHA) for active-passive clustering, enabling fast failover to a backup unit within minutes for maximum service continuity.

Multiple RAID Types for Data Protection
Supports RAID 0, 1, 5, 6, 10, Basic, F1, and JBOD, with a hardware encryption engine (AES-NI), offering flexibility based on performance and security needs.

Btrfs File System with Advanced Snapshot Technology
Built on the Btrfs file system to prevent data corruption, with schedulable snapshot protection for shared folders and LUNs, plus file- and folder-level restoration.

File Self-Healing and Inline Compression
Automatically detects and recovers corrupted files using mirrored metadata and RAID, with inline compression that reduces data size before writing to save storage space.

Ideal Applications

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• Large enterprises with high concurrent user environments
• Enterprise virtualization systems
• Mail servers and office collaboration
• Large-scale surveillance systems
• Workloads requiring high throughput and data integrity
• Businesses requiring high service continuity

Why Choose Synology RS4021xs+

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The Synology RS4021xs+ is an enterprise RackStation delivering up to 234,698 IOPS, powered by an 8-core Intel Xeon D-1541 processor, dual redundant power supplies, and high availability features that minimize downtime. It's the ideal choice for organizations needing a storage solution that supports large numbers of users, with confidence in speed, security, and business continuity.