New Synology RS2421+ and RS2821+ Rackstation Officially Released

The Synology RS2421+ and RS2821RP+ Rackstation NAS Server is Officially Revealed

Yes, although it might not come as a massive surprise (if you have been following NASCompares for the last few months), we can now officially reveal that the new Synology RS2421+ (RS2421RP+ 2 PSU version) 12-Bay NAS and RS2421RP+ 16-Bay Rackmount NAS have been released. Now, it should be stated that they have initially been revealed over in the east first, but no doubt that means they will appear in the US and Europe very shortly. So, what will we be seeing in these new rackstation solutions from Synology, will there be any surprises for us? Well, if you are all clued up on the RS1221+, DS1821+, DS1621+ and other Ryzen V1500B based NAS that the brand has released in the last 6 months, then there isn’t a huge number of surprised here – but that is not necessarily a bad thing! Even a casual glance at the specifications reveals a robust and rugged selection of hardware on offer, with the familiar range of storage options on Day 1/1000 that existed in the Atom-based RS2418+ and RS2818RP+ that came before. So, let’s take a look at what these two rackmount NAS for SMB users has to offer.

Synology RS2821RP+ & RS2421+ Rackstation NAS Hardware Specifications

The hardware specifications on a Synology NAS can often be treated and a secondary priority (with the glaringly obvious focus by the brand on their First Party DSM platform, software and services). Inside the RS2421+ and RS2821RP+, it is incredibly similar in architecture to that of the more compact 8-Bay RS1221+ released right at the start of 2021. Obviously, a more storage equipped system in 12 and 16 Bays results in a much more beefy cooling system and larger chassis design, but aside from these factors, the RS2421RP+ and RS2821RP+ are pretty familiar turf. Good solutions, but definitely continuing to toe the line of Synology hardware releases for SMB users in 2020/2021. Let’s take a closer look:

Hardware Specifications

	Synology RS2421+ / RS2421RP+ NAS	Synology RS2821RP+ NAS
	Check Amazon Availability	Check Amazon Availability
Processor model	AMD Ryzen V1500B	AMD Ryzen V1500B
Number of CPUs	1	1
Processor architecture	64-bit	64-bit
Processor clock	4-core 2.2 GHz	4-core 2.2 GHz
Hardware encryption engine (AES-NI)	YES	YES
Memory
System memory	4 GB DDR4 ECC UDIMM	4 GB DDR4 ECC UDIMM
Pre-installed memory modules	4 GB (4 GB x 1)	4 GB (4 GB x 1)
Total memory slots	2	2
Maximum memory capacity	32 GB (16 GB x 2)	32 GB (16 GB x 2)
Storage device
Number of Disk Slots	12	16
Maximum number of disk bays for installing expansion units	24 (RX1217/RX1217RP x 1)	28 (RX1217/RX1217RP x 1)
Compatible Disk Type	3.5″ SATA HDD 2.5″ SATA HDD 2.5″ SATA SSD	3.5″ SATA HDD 2.5″ SATA HDD 2.5″ SATA SSD
Maximum single storage capacity	108 TB	108 TB
External port
RJ-45 1GbE network port	4 (Support Link Aggregation / Failover)	4 (Support Link Aggregation / Failover)
USB 3.2 Gen 1 port*	2	2
Expansion port	1	1
PCIe
PCIe expansion	1 x Gen3 x8 slot (x4 link)	1 x Gen3 x8 slot (x4 link)
File system
Internal disk	Btrfs EXT4	Btrfs EXT4
Exterior
Dimensions (rack unit)	2U	3U
Size (Height X Width X Depth)	RS2421+: 88 mm x 482 mm x 552 mm RS2421RP+: 88 mm x 482 mm x 578 mm	132.3 mm x 482 mm x 656.5 mm
weight	RS2421+: 11.5 kg RS2421RP+: 11.9 kg	17.1 kg
System fan	60 mm x 60 mm x 3 pcs	80 mm x 80 mm x 3 pcs
Fan mode	Full speed mode Low temperature mode Silent mode	Full speed mode Low temperature mode Silent mode
Replaceable system fan	YES	YES
Automatic power recovery	YES	YES
Noise value	RS2421+: 50.1 dB(A) RS2421RP+: 54 dB(A)	53.5 dB(A)
Timer switch	YES	YES
Wake on LAN	YES	YES
Power supply/transformer	RS2421+: 500 W RS2421RP+: 350 W	550 W
Dual power supply	RS2421+: No RS2421RP+:  Yes	Yes
Power consumption power	RS2421+: 79.56 W (Access) 34.89 W (HDD hibernation) RS2421RP+: 91.76 W (Access) 48.21 W (HDD hibernation)	97.54 W (Access) 49.57 W (HDD Hibernation)

So, there is a breakdown of the hardware, let’s see how that architecture affects software and services in the Synology RS2821+ and RS2421+ NAS.

Synology RS2421+ & RS2821RP+ Rackstation NAS – Software Specifications

Obviously, a much more detailed breakdown of the hardware inside the RS2821RP+ and RS2421+ will arrive in our review down the line, but for now, we can use the official specifications pages to get a good understanding of how much these two NAS systems will be able to perform and provide in DSM 6.2/7.0 (beta still!). Below is the breakdown:

DSM product specifications

	Synology RS2421+ / RS2421RP+ NAS	Synology RS2821RP+ NAS
Maximum storage space	64	64
Support RAID disk array type	Synology Hybrid RAID Basic JBOD RAID 0 RAID 1 RAID 5 RAID 6 RAID 10	Synology Hybrid RAID Basic JBOD RAID 0 RAID 1 RAID 5 RAID 6 RAID 10
File service
File agreement	SMB/AFP/NFS/FTP/WebDAV	SMB/AFP/NFS/FTP/WebDAV
Maximum number of simultaneous SMB/AFP/FTP connections	1,000	1,000
Maximum number of simultaneous SMB/AFP/FTP connections (equipped with extended memory)	2,000	2,000
Windows Access Control List (ACL) integration	YES	YES
NFS Kerberos authentication	YES	YES
Accounts and shared folders
Maximum number of local user accounts	2,048	2,048
Maximum number of local groups	256	256
Maximum number of shared folders	512	512
Maximum shared folder synchronization task	16	16
High availability
Synology High Availability	YES	YES
Log center	YES	YES
Logs received per second	800	800
Virtualization support
VMware vSphere with VAAI	YES	YES
Windows Server 2016	YES	YES
Windows Server 2019	YES	YES
Citrix Ready	YES	YES
OpenStack	YES	YES

So, certainly, the RS2421+/RS2421RP+ and RS2821RP+ are a step up on the RS2418+ and RS2818RP+ in terms of performance, thanks to that Ryzen V1500B over the Intel Atom C3538 before. But real testing will have to wait till we have the hardware.

Synology RS2421RP+ and RS2821RP+ Rackstation NAS – Price and Release Date

Given the pricing (globally) of the predecessors to the RS2421+ and RS2821RP+, as well as the price at which the 2020/2021 series 6/8 Bay Diskstation/Rackstation systems entered the market at – I think these new Rackstations will arrive on the market at a very similar price point to their 2018 counterparts, maybe at 5% increase at the top. So, that would be (APPROXIMATELY!) around £1550+ for the RS2421+, then £1750 for the RS2421RP+ and £2500 for the RS2821RP+ NAS. Of course, I would recommend holding out till launch for more precise pricing worldwide. Regarding release, the fact that these two systems have arrived on the official Taiwan Synology pages, means that these must be reading for full global release in the coming weeks.

Hardware Specifications

Synology RS2421+ / RS2421RP+ NAS	Synology RS2821RP+ NAS
Check Amazon Availability	Check Amazon Availability

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