Synology RAM DDR4 ECC SO-DIMM 4GB D4ES01-4G
- Designed for the DiskStation DS1621+
- 4GB (1 x 4GB) Capacity
- 260-Pin SO-DIMM
- ECC, Unbuffered

₦0.00
tech brand | SYNOLOGY |
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Capacity | 4 GB |
Kit Configuration | 1 x 4 GB |
Memory Type | DDR4 |
DIMM Type | 260-Pin SO-DIMM |
Buffered/Registered | No |
Error Correction (ECC) | ECC |
Package Weight | 0.075 lb |
Box Dimensions (LxWxH) | 5.1 x 3.4 x 0.5″ |
The Synology Virtual Machine Manager Pro License allows you to fully utilize the Virtual Machine Manager (VMM) cluster infrastructure. It enables migration and flexible scalability for load balancing and resource allocation. This VMM comes in a 3-node cluster that is valid for one year and offers various options to satisfy a variety of needs. Before purchasing this license, please check the compatibility of your NAS with VMM. Please note that this license can only be applied to one VMM at a time. Purchased licenses can be migrated.
The VS960HD VisualStation Surveillance Station from Synology allows you to connect up to two displays and supports up to 96 IP cameras and 4K UHD resolution. This device connects to a router via its RJ45 Ethernet port, and pairs with your Synology NAS running Surveillance Station 8.0.2 or above, enabling you to monitor and control your IP cameras without a computer. Connect a mouse, keyboard, or joystick to the USB 2.0 ports for complete control, including PTZ control. Via the USB 3.0 port, recordings and snapshots can be stored on a USB drive, which is available for purchase separately. This device supports H.264, H.265, MPEG-4, and MJPEG codecs for high-quality playback. It has no mechanical moving parts, so it is resistant to vibration and hardware failure. It comes with an RJ45 LAN cable to connect to your router and a VESA mounting kit which enables the device to be mounted on a wall or on the back of a screen.
The 1.92TB SAT5200 SATA 2.5″ SSD from Synology is an enterprise-grade SSD built for select models of their NAS systems, including the FS6400, FS3600, and FS3400. It provides stable I/O performance and reduced latency for critical services and applications and is also able to handle mixed and intensive 24/7 workloads without reducing its endurance. All of these facets will provide users with a streamlined experience with minimal service disruptions.
This SSD has an overall capacity of 1.92TB, a SATA III 6 Gb/s interface, a 2.5″ / 7mm form factor, sequential read speeds of up to 530 MB/s, sequential write speeds of up to 500 MB/s, random reads of 98,000 IOPS, and random writes of 60,000 IOPS. It also features an endurance of 4581TB TBW (terabytes are written), 1.3 DWPD (drive writes per day), a 1.5 million hour MTBF (mean time between failures), and an UBER (uncorrectable bit error rate) of <1 sector per 1017 bits read.
The DX1215 12-Bay Expansion Unit from Synology delivers volume expansion and data backup for the following selected Synology DiskStation servers: DS3615xs, DS3612xs, DS3611xs, DS2015xs, and DS2413+. There is also a DSM version requirement of 5.1-5004 or later. The DX1215 provides an additional 12 drive bays that support SATA III 6 Gb/s and SATA II 3 Gb/s 3.5″ hard drives, as well as 2.5″ hard drives and solid-state drives.
When used with Synology DiskStation Manager (DSM), RAID management is possible and a RAID volume on your Synology DiskStation can be expanded directly without having to reformat any existing drives. This helps to ensure that your DiskStation continues to operate while its capacity is being expanded.
The DX1215 can also act as a dedicated local backup solution for a Synology DiskStation. When created as a separate volume, the DX1215 helps to provide a backup solution for local drives in case of a system failure. In addition to RAID management and local backups, online volume expansion is also supported.
To connect to the DiskStation, the DX1215 uses a secure and specially designed expansion cable that connects to its Infiniband port. This helps to ensure not only a simple connection but maximum data throughput. The 6 Gb/s connection speed allows the drives in the connected DX1215 to operate as the internal ones of the DiskStation.
Easily connect an HDMI or VGA monitor to the VS360HD VisualStation Video Decoder from Synology in order to view live video of up to 36 IP cameras at up to 1920 x 1080 resolution. This video decoder connects to a router via its RJ45 Ethernet port and pairs with your Synology NAS running Surveillance Station 7.0 and above and allows you to monitor and control your IP cameras without a computer. Connect amount, keyboard, or joystick for complete control, including PTZ control. Recordings and snapshots can be stored on a USB drive (available separately). This video decoder supports H.264, MPEG-4, and MJPEG codecs for high-quality playback and because it features no moving parts, it is less likely to become damaged while in use.
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