Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Processor | |
| Processor model | D-1541 |
| Processor manufacturer | Intel |
| Processor family | Intel Xeon |
| Processor cores | 8 |
| Processor threads | 16 |
| Processor boost frequency | 2.7 GHz |
| Processor cache | 12 MB |
| CPU configuration (max) | 1 |
| Processor frequency | 2.1 GHz |
| Conflict-Free processor | ![]() |
| Memory | |
| Internal memory type | DDR4 |
| Memory slots | 4 |
| ECC | ![]() |
| Memory clock speed | 2666 MHz |
| Memory form factor | UDIMM |
| Maximum RAM supported | 64 GB |
| Internal memory | 16 GB |
| Ports & interfaces | |
| Ethernet LAN (RJ-45) ports | 6 |
| PCI Express x8 (Gen 3.x) slots | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB port | ![]() |
| Weight & dimensions | |
| Height | 132.3 mm |
| Width | 482 mm |
| Depth | 656.5 mm |
| Energy management | |
| Power consumption (typical) | 145.79 W |
| Redundant power supply (RPS) support | ![]() |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Power supply location | Built-in |
| Power supply unit (PSU) capacity | 800 W |
| Power consumption (HDD standby) | 62.68 W |
| Operational conditions | |
| Operating altitude | 0 - 5000 m |
| Operating relative humidity (H-H) | 5 - 95% |
| Storage temperature (T-T) | -20 - 60 °C |
| Operating temperature (T-T) | 0 - 35 °C |
| Storage relative humidity (H-H) | 5 - 95% |
| Networking | |
| Supported network protocols | SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN |
| Ethernet LAN | ![]() |
| Wake-on-LAN ready | ![]() |
| Link aggregation | ![]() |
| Ethernet LAN data rates | 10,100,1000,10000 Mbit/s |
| iSCSI support | ![]() |
| Ethernet LAN data rate supported (max) | 10000 Mbit/s |
| Storage | |
| HDD speed | 7200 RPM |
| RAID levels | 0, 1, 5, 6, 10, F1, JBOD |
| Supported file systems | BTRFS, FAT32, HFS+, NTFS, exFAT, ext3, ext4 |
| RAID support | ![]() |
| Storage drive size | 3.5" |
| Storage drive interface | Serial ATA III |
| Number of storage drives supported | 16 |
| Storage drive sizes supported | 2.5,3.5" |
| Storage drives installed | ![]() |
| Number of storage drives installed | 8 |
| Installed storage drive type | HDD |
| Supported storage drive types | HDD & SSD |
| Hot-swap drive bays | ![]() |
| Storage drive capacity | 12 TB |
| Supported storage drive interfaces | Serial ATA II, Serial ATA III |
| Online RAID migration | ![]() |
| Online RAID expansion | ![]() |
| Total installed storage capacity | 96 TB |
| Operating system/software | |
| Operating system installed | DiskStation Manager |
| Windows operating systems supported | ![]() |
| Mac operating systems supported | ![]() |
| Packaging content | |
| Cables included | AC |
| Power cables quantity | 2 |
| Other features | |
| Certification | FCC, BSMI, VCCI, RCM, EAC, CCC, KC |
| Compliance certificates | CE, RoHS |
| Design | |
| Chassis type | Rack (3U) |
| LED indicators | ![]() |
| Product colour | Black |
| Number of fans | 3 fan(s) |
| Cooling type | Active |
| Fan diameter | 8 cm |
| Processor special features | |
| Enhanced Intel SpeedStep Technology | ![]() |
| Execute Disable Bit | ![]() |
| Idle States | ![]() |
| Intel Trusted Execution Technology | ![]() |
| Intel Enhanced Halt State | ![]() |
| Intel VT-x with Extended Page Tables (EPT) | ![]() |
| Embedded options available | ![]() |
| Intel TSX-NI | ![]() |
| Intel 64 | ![]() |
| Intel Virtualization Technology for Directed I/O (VT-d) | ![]() |
| Intel Secure Key Technology version | 1.00 |
| Intel Virtualization Technology (VT-x) | ![]() |
| Intel TSX-NI version | 1.00 |
| Performance | |
| Type | NAS |
| Security algorithms | 256-bit AES, HTTPS, SSH, SSL/TLS |
| Browser supported | Chrome, Firefox, Edge, Internet Explorer, Safari |
| Number of users | 16000 user(s) |
| Noise level | 44.7 dB |
| Buzzer | ![]() |
| Snapshot | ![]() |
| Access Control List (ACL) | ![]() |
| Reset button | ![]() |
| Multilingual support | ![]() |
| On/off switch | ![]() |
| Device class | Small & Medium Business |
| Backup function | ![]() |
| Backup features | Cloud, iSCSI LUN |
| Built-in FTP server | ![]() |
| System log | ![]() |
| Share folder | CIFS/AFP/NFS/FTP/WebDAV |
| Third-party support | ![]() |
| Sustainability | |
| Sustainability compliance | ![]() |
| Sustainability certificates | UL ECOLOGO |
| EAN | |
| Warranty | 1 year |
| Source: Icecat.biz | |
The Synology RackStation RS4021xs+ is an enterprise-grade NAS solution designed to meet the rigorous demands of business environments. Equipped with an Intel® Xeon® D-1541 8-core processor and 16 GB of ECC DDR4 memory (expandable to 64 GB), this stunning NAS provides over 234,000 4K random read IOPS and 6,258 MB/s sequential read throughput. These capabilities ensure seamless handling of data-intensive applications, supporting simultaneous access from multiple users while safeguarding data integrity with advanced snapshot technology.
Engineered for service continuity, the RS4021xs+ features dual power supplies and hot-swappable fan modules that enhance system reliability by preventing unexpected downtimes. The two PCIe expansion slots allow for performance optimizations and network enhancements, while its built-in dual-port 10GbE connectivity significantly boosts network bandwidth. The Btrfs file system further enhances operational efficiency, offering deduplication and reduced overhead for a streamlined backup solution.
Key features:- 16-bay capacity for extensive storage solutions.
- Intel® Xeon® D-1541 2.1 GHz 8-core processor.
- 16 GB ECC DDR4 memory, expandable up to 64 GB.
- Up to 234,000 4K random read IOPS and 6,258 MB/s sequential read throughput.
- Dual 10GbE LAN ports for enhanced networking capabilities.
- Two PCIe slots for customizable upgrades.
- Btrfs file system for advanced data integrity features.
- Hot-swappable components for non-disruptive maintenance.
- Synology RackStation RS4021xs+ unit.
- Power cables.
- Quick installation guide.
- Warranty information.
Estimated delivery: 05.05 - 11.05
Today: Closed (May Day)
Estimated delivery: 05.05 - 11.05
Today: Closed (May Day)
Estimated delivery: 05.05 - 11.05
Today: Closed (May Day)
Estimated delivery: 05.05 - 11.05
Today: Closed
Estimated delivery: 05.05 - 11.05
Today: Closed (May Day)
Estimated delivery time: 05.05 - 11.05
Estimated delivery time: 05.05 - 10.05
Estimated delivery time: 06.05 - 11.05
Estimated delivery time: 06.05 - 11.05
Estimated delivery time: 06.05 - 10.05
Estimated delivery time: 05.05 - 11.05
Estimated delivery time: 05.05 - 11.05
Estimated delivery time: 06.05 - 10.05
- manual pdf (English)
- leaflet (English)


