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Small matte-black Lenovo ThinkCentre tower with front USB-C port

Lenovo Refurbished

Lenovo J1-M720SSA16 ThinkCentre M720s-SFF business desktop i7-9700 16GB 512GB

SKU CH-39W6-02BP2 MPN J1-M720SSA16

A compact business desktop with an 8-core Intel Core i7-9700, 16 GB DDR4 memory, a 512 GB SSD and Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core i7 9th Gen
  • Memory size16 GB DDR4
  • Storage drive512 GB SSD
  • GraphicsIntel UHD Graphics 630
  • CPUIntel Core i7-9700 3 GHz
  • 8-core i7-9700 handles heavy workloads smoothly
  • 16 GB DDR4 memory keeps multitasking responsive
  • 512 GB SSD provides fast boot and load times
  • Windows 11 Pro 64-bit delivers business-grade security
  • Slim SFF chassis fits tight office spaces

Slim business desktop for office workloads

The Lenovo ThinkCentre M720s-SFF packs an 8-core Intel Core i7-9700 running at 3.00 GHz with 12 MB L3 cache into a small-form-factor chassis. It ships with 16 GB DDR4 memory and a 512 GB SSD running Windows 11 Pro 64-bit, aimed at general business productivity and multi-tasking.

Integrated graphics keeps heat and noise low

Intel UHD Graphics 630 handles display output through one D-Sub and two DisplayPort connectors without a discrete card, so power draw and acoustic output stay modest during typical office applications and video playback.

Sustained loads stay within the slim enclosure

The 8-core processor maintains its base frequency across extended compile, render or data-analysis sessions thanks to the compact thermal design, while the 512 GB SSD delivers consistent throughput without throttling. Buyers who need discrete GPU performance or additional internal drive bays should look elsewhere.

How it compares

Measured against everything we stock in Business & Office Desktops, at today’s prices. Recalculated every night.

Price $461.99
Cheaper than about 82% of the 2,161 comparable items (median $5,687.99).
Memory size 16 GB DDR4
Typical for this category: the median of 351 items is 16 GB.
RAM capacity 16 GB DDR4
Lower than about 80% of the 2,095 comparable items (median 64 GB).

Specifications

Product
Brand nameLenovo
Product lineThinkCentre
Model nameM720s-SFF
Product typeBusiness Desktops & Workstations
Recommended useBusiness
Processor
ProcessorIntel Core i7 9th Gen
CPUIntel Core i7-9700 3 GHz
CPU modelIntel Core i7-9700
Base clock speed3 GHz
Processor cache12 MB L3 Cache
L3 cache per CPU12 MB
Memory
Memory size16 GB DDR4
RAM capacity16 GB DDR4
Storage
Storage drive512 GB SSD
SSD storage512 GB
Hard driveNo
Optical driveNo
Display
Screen sizeNo Screen
Graphics
GraphicsIntel UHD Graphics 630
GPUIntel UHD Graphics 630
GPU interfaceIntegrated video
Ports & slots
Front USB ports2 x USB 3.1 Gen 1
2 x USB 3.1 Gen 2
1 x USB-C 3.1 Gen 1
Front audio jacks1 x headphone / microphone combo jack (3.5 mm)
1 x microphone (3.5 mm)
Serial ports1 x serial (9-pin)
Video connectors1 x D-Sub / 2 x DisplayPort
Rear USB ports4 x USB 2.0
Ethernet port1 port
Rear audio jacks1 x line-out (3.5 mm)
Size & build
Form factorSlim/Small Form Factor
Overall dimensions13.5 in × 3.6 in × 11.4 in
Product weight13.2 lb (5.99 kg)
Shipping weight6.80 kg
Package size508 × 406 × 178 mm
In the box
Pointing deviceUSB Mouse
Software
Operating systemWindows 11 Pro 64-bit
More details
Keyboard typeUSB Keyboard

Questions about this item

How do I install extra DDR4 memory in the ThinkCentre M720s-SFF and what step is often missed?

Power off and unplug the unit, remove the side panel, insert the DDR4 module into a free DIMM slot until the clips click, then replace the panel; the step often missed is pressing firmly enough to fully seat both retention clips.

Which component in the M720s-SFF is most likely to need replacement after several years of daily use?

The 512 GB SSD has a finite write endurance, so after heavy workloads it may need replacement before the CPU or integrated graphics.

What limit appears first on the Core i7-9700 when the M720s-SFF runs sustained heavy loads?

The slim chassis and integrated Intel UHD Graphics 630 cooling can hit thermal limits, causing the 3.00 GHz processor to throttle before other bottlenecks appear.

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