Lenovo v50t 10GEN Core i3 up to 4.3GHz 6M 4-Cores , 4GB RAM DDR4 , 1000GB HDD 7200RPM , DVD RW, Intel HD Graphic , Wireless & Bluetooth , USB Keyboard, USB Mouse, Dos.

• Featured dual 1GbE LAN ports to support network failover, and with Link Aggregation enabled, DS220+ provides over 225 MB/s sequential read and 192 MB/s sequential write throughput. Data can be further protected with RAID 1 disk mirroring to prevent sudden drive failure.
• Intel dual-core processor with AES-NI hardware encryption engine; 2 GB DDR4 memory (expandable up to 6 GB)
• Access, share, and sync your data easily across different operating systems and devices.
• Average 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time.
• By default, two camera licenses are installed; extra licenses can be purchased (CLP1, CLP4, or CLP8)

HP All-in-One 205 G4 3Gen AMD Ryzen 5 up to 3.7GHz 6M 4-Cores , 4GB RAM DDR4 , 1000GB HDD 7200RPM , 21.5" Full HD IPS Antiglare Monitor, AMD Radeon™ Vega Graphics , DVD RW, Wireless  ,  WebCam ,Bluetooth , USB Keyboard, USB Mouse, Dos.

Dell OptiPlex 7070 CoffeeLake 9Gen Core i7 Processor ( 8-Cores, 12M Cache, 4.70 GHz) ,  4GB DDR4- 2666  , 1000GB 7200 RPM ,  Intel® Integrated Graphics DOS DVD+/-RW Drive 1 Year Carry in 

10Gen Intel Core i5-10400F Comet Lake 6-Cores up to 4.3 GHz 12MB , HyperX Fury 16GB (2 X 8GB ) 2666 MHz DDR4 Memory , ASUS PRIME H510M-A Motherboard ,  NVIDIA GeForce GTX 1660 Super 6GB GDDR6 , DeepCool MATREXX 50 Tempered Glass Gaming Case , DeepCool DA600 600W 80+ Bronze PSU , WD Blue SN550 NVMe M.2 250GB SSD , WD 1TB 7200RPM HDD , Dos

AMD RYZEN 5 3600 6-Core 3.6 GHz (4.2 GHz Max Boost) , Kingston Hyper X 16GB DDR4 RGB 3200Mhz , MASUS PRIME B450M-K II AMD B450 M.2 Motherboard , NVIDIA GeForce GTX 1660 Super 6GB GDDR6 , DeepCool MATREXX 50 Tempered Glass Side , DeepCool DA600 600W 80+ Bronze PSU , WD Blue SN550 NVMe M.2 250GB 3D NAND ,1TB 7200RPM Hard Drive , Dos

3rGen AMD RYZEN 7 3700X 8-Core 3.6 GHz (4.3 GHz Max Boost) , Kingston Hyper X 16GB DDR4 RGB 3200Mhz , ASUS Prime B550M-K AMD B550 Motherboard , NVIDIA GeForce GTX 1660 Super 6GB GDDR6 , Xigmatek Venom X RGB Tempered Glass  , DeepCool DA600 600W 80+ Bronze PSU , WD Blue SN550 NVMe M.2 250GB 3D NAND ,1TB 7200RPM Hard Drive , Dos

• Accelerated Performance - 177% higher 4K random read IOPS and 76% faster sequential write speeds compared to its predecessor
• Maximize Performance - Turbocharge HDD arrays by 20x or more without occupying drive bays using dual built-in M.2 slots for NVMe SSD cache
• Expansion Made Easy - Scale-up on-demand to 18 drives with two DX517 expansion units
• Includes Everything to Protect Your Data - Back up critical data to and from public clouds, Windows PCs and servers, virtual machines, and data on the NAS with Synology Active Backup suite, Hyper Backup, and Snapshot Replication
• Ready for 10GbE - Add in a 10GbE SFP+ or RJ-45 NIC to instantly increase network bandwidth based on your existing infrastructure