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

Product Description

The SYNOLOGY RS4021XS+ 16-BAY 16G, XEON – DISKLESS is a high-performance solution from SYNOLOGY, designed for professional and commercial applications. This product is built to meet rigorous industry standards, ensuring durability and seamless integration into professional environments.

Key Features:

• 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

Technical Specifications:
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