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Synology RackStation RS4021xs+ 16-Bay NAS Server

3U chassis with redundant power and two built-in 10 GbE ports, built for large multi-user environments: up to 6,258 MB/s sequential read. Drives not included.

  • Intel Xeon D-1541 8 cores, 2.1 GHz up to 2.7 GHz
  • ECC DDR4 memory 16 GB, expandable to 64 GB
  • Two 10 GbE ports and four 1 GbE ports
  • Redundant power supply: service holds if one unit fails
  • RAID 1, 5, 6, 10 and RAID F1: work continues despite a drive failure
  • 2.5" or 3.5" SATA drives sold separately
  • More than 234,000 IOPS in 4K random read
  • Hot-swappable drives
  • Two PCIe 3.0 x8 slots for a network card or an NVMe SSD cache
  • Up to 90 IP cameras with Surveillance Station
  • Hot-swappable fans, with no power down
  • 3U chassis for a 19-inch rack
Ref.: RS4021XS+
119 599,00 DHincl. VAT

Configuration · Synology RackStation xs+

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Under Law 09-08, you have the right to access, rectify and object to the processing of your personal data. This processing has been authorised by the CNDP under no. D-CE-389/2015. Learn more

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Manufacturer's datasheetView the PDF · 869 Ko — downloadable

Product overview

The Synology RackStation RS4021xs+ NAS server delivers outstanding performance with its Intel Xeon D-1541 processor and 16 GB of DDR4 ECC UDIMM memory. With 16 hard drive bays, it provides reliable, scalable storage. With 1GbE and 10GbE LAN ports as well as PCIe slots, it offers fast, expandable connectivity. Its advanced storage management and extensive feature set make it an ideal choice for demanding businesses.

Processor: Intel Xeon D-1541 (8 cores, 2.1 (base) / 2.7 (turbo) GHz)
Memory: 16 GB DDR4
Maximum memory capacity: 64 GB (16 GB x 4)
Network ports: 2 RJ-45 10GbE ports
Network ports: 4 RJ-45 1GbE ports
USB ports: 2 USB 3.2 Gen 1 ports

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Technical specifications

Technical specifications
ProcessorIntel Xeon D-1541
Processor details8 cores, 64-bit architecture
Surveillance cameras280 IP cameras maximum, 2 licences included
Hardware encryptionYes
Installed RAM16 GB DDR4 ECC UDIMM
Maximum RAM64 GB (4 x 16 GB)
Operating systemSynology DiskStation Manager (DSM)
RAIDRAID F1, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Typical power consumption145.79 W (access)
Standby power consumption62.68 W (drive hibernation)
Interfaces2 x USB 3.2 Gen 1
Network ports4 x RJ-45 1 GbE, 2 x RJ-45 10 GbE
Frequency2.1 GHz (2.7 GHz Turbo)
RAM slots4 slots
Hard drive type3.5-inch SATA HDD, 2.5-inch SATA SSD
Hot-swappableYes
Storage bays16 bays (up to 40 with 2 RX1217 expansion units)
M.2 NVMe slotsNone internally; NVMe SSD cache possible via a card in the PCIe slot
Supplied storageNo drives supplied
Technical specifications (continued)
Expansion slots2 PCIe Gen3 x8 slots
Power supply2 redundant internal PSUs, 800 W or 550 W depending on the serial number, 100-240 V
Weight17.4 kg
Dimensions132.3 x 482 x 656.5 mm (H x W x D)
Box contentsMain unit, accessory pack, 2 power cords, quick installation guide
Operating temperature0 °C to 35 °C
File systemInternal: Btrfs, ext4 — External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT
Sharing protocolsSMB, AFP, NFS, FTP, WebDAV, Rsync
Fan3 fans (80 x 80 mm)
Noise level44.7 dB(A)
Form factorRack mount
Drive baysOver 12 bays
Built-in M.2 slotsNo
Port speed1 Gbps (Gigabit), 10 Gbps (10G)
Drives includedNo
Redundant power supplyYes
NAS processorIntel Xeon
Warranty5 years

Specific references

EAN4711174724086

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Under Law 09-08, you have the right to access, rectify and object to the processing of your personal data. This processing has been authorised by the CNDP under no. D-CE-389/2015. Learn more

Frequently asked questions

What are the delivery times and fees?
Delivery all over Morocco within 1 to 5 working days, at the same rate in every city for parcels up to 30 kg — and free delivery from 3 000 dh of purchases. Above 30 kg, the rate follows the weight and is shown on the product page and in the basket. You are notified by SMS, then called by the courier.
Is the product new and under warranty?
Yes: a new, genuine product, delivered in its original packaging with an invoice. The invoice serves as the warranty document (5 years) with the manufacturer's after-sales service in Morocco.
Can I collect my order in store?
Yes, at the Casablanca store (Mon–Fri 10am–7pm · Sat 10am–2pm) or the Témara collection point (Mon–Fri 8.30am–1pm / 2–6pm · Sat 8.30am–12.30pm). Payment on site: cash, bank card via terminal, certified cheque.
Which payment methods do you accept?
Bank card online (secure Attijari Payment), cash on delivery, bank transfer and certified cheque. All our prices are in dirhams, VAT included.
Can I get an invoice in my company's name (with its ICE)?
Yes. Provide your company's legal name and ICE when ordering: the invoice is issued in its name and enclosed with the parcel (handed over with the order for in-store collection). Companies and public bodies can also request a quote — reply within 24 working hours.

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