# SYNOLOGY RS4021XS+ 16-BAY 16G, XEON - DISKLESS

FEATURES • Accelerated Performance - Up to 234,698 random read IOPS and 6,258MB/s sequential read performance • Powerful Compute - Hosts multiple compute-intensive services with its 8-core Intel processor • Upgradability - Two PCIe expansion slots allow for M.2 NVMe cache adapters and high-bandwidth network cards • Redundant Power - Ensure business continuity with two redundant power supplies • On-demand Scalability - Supports up to 40× drive bays using two RX1217(RP) Expansion Units SPECIFICATIONS Hardware CPU • Intel Xeon D-1541 • 8-core 2.1GHz (Turbo Boost up to 2.7GHz) • Hardware Encryption Engine (AES-NI) Memory • 16GB DDR4 ECC UDIMM (expandable up to 64GB) Drive Bays • 16× 3.5"/2.5" SATA HDD/SSD (Drives Not Included) • Maximum Drive Bays with RX1217/RX1217RP Expansion Unit: 40× Hot Swappable Drives • Yes External Ports • 2× USB3.2 Gen1 • 1× Expansion Port (Infiniband) LAN Ports • 4× 1GbE RJ45 • 2× 10GbE RJ45 PCIe • 1× PCIe 3.0 x8 Slot • Supports Network Interface Cards and M.2 NVMe SSD Adapter Cards for SSD Cache Form Factor • Rackmount 3U • 4-post 19" Rack Storage and RAID File Systems • Internal: Btrfs, ext4 • External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT Supported RAID Types • Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 Storage Management • Maximum Single Volume Size: 200TB (64GB RAM Required) • Maximum Internal Volumes: 64× • Maximum System Snapshots: 65,536× SSD Cache • Read/Write Cache Support • M.2 NVMe SSD Support (via Adapter) File Sharing and Networking Networking Protocols • SMB, AFP, NFS, FTP, WebDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN, L2TP) File Sharing Capabilities • Maximum Local User Accounts: 2,048× • Maximum Local Groups: 256× • Maximum Shared Folders: 512× • Maximum Concurrent SMB/NFS/AFP/FTP Connections: 1,000+ Virtualisation and Enterprise Integration • VMware vSphere • Microsoft Hyper-V • Citrix • OpenStack • iSCSI LUN Snapshot Support • Windows ACL Support • Active Directory and LDAP Integration Data Protection • Snapshot Replication • Hyper Backup • Active Backup for Business • Active Backup for Microsoft 365 • Active Backup for Google Workspace • Synology High Availability Surveillance • Maximum IP Cameras: 40× (H.264) • Surveillance Station Included Environment • Operating Temperature: 0~35°C • Storage Temperature: -20~60°C • Relative Humidity: 5~95% RH

## Details

- **Price:** 155268.0 ZAR
- **Vendor:** SYNOLOGY
- **Type:** RackStation
- **Tags:** 16g, bay, diskless, linkqage, rs4021xs, synology, xeon

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 155268.00 ZAR | In stock |

## Images

- Synology Rs4021xs+ 16-bay 16g, Xeon - Diskless — SYNOLOGY | Guards on Duty Shop

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> Source: [Guards On Duty Shop & Security Guards ](https://guardsondutyshop.co.za/products/synology-rs4021xs-16-bay-16g-xeon-diskless)
> Updated: 2026-06-03