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Apple iMac Mid-2017 i5-7600k [Quad] 3.80GHz 27" Retina 5k (5120x2880) USB-C AMD Radeon Pro 580 32GB DDR4 512GB NVMe [Marked Casing]
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Second hand isn't always second best. Buying refurbished from tier1 is a better way to upgrade your IT equipment, saving you money and stopping recycled devices heading to landfill. Still not sure, here are some of the benefits of buying from tier1...


All our refurbished Desktops go through extensive testing as part of our in-house refurbishment process.

Grade | Refurbished [Marked Casing] |
Details | These desktops are in good condition but may have marks/dints/scratches on the casing from use. The casing is designed to protect the internal components and that is what has happened here - perfectly usable for units just not as pretty. For full grading information please see our Grading Page |
Specification | |
Processor | Intel® Core i5-7600k Quad Core Processor, 6M Cache, Base Frequency 3.80GHz, Max Turbo Frequency 4.20GHz |
Memory | 32GB DDR4 SDRAM 2400MHz |
Hard Drive | 512GB NVMe SSD |
Optical Drive | None |
Ports | 4x USB 3.0 | 2x USB-C (Thunderbolt 3) with DisplayPort support | Ethernet (RJ-45) | 3.5mm Headphone Jack | SDXC memory card slot |
Display | 27" Retina (5120x2880) 5K, 500 nits, with support for one billion colors |
Wireless | WiFi + Bluetooth 4.2 |
Weight | Approx. 9.44kg |
Dimensions | Height: 51.6cm x Width: 65.0cm x Depth (Stand): 20.3cm |
Operating System | Mac OS (upgradeable to latest macOS 13.x - Ventura as of 30/05/2023) |
Graphics | AMD Radeon Pro 580, 8GB GDDR5 VRAM |
Webcam | Yes - Built-in "FaceTime HD" + Microphone |
Everything you buy from Tier 1 comes with a FREE 1 Year Warranty.
Your FREE 1 Year Warranty starts on the day you receieve your order.
Everything you buy from Tier 1 comes with a FREE 1 Year Warranty.
Your FREE 1 Year Warranty starts on the day you receieve your order.
How to make a claim
If you have an issue with a device that you have purchased from us, please contact us straight away and we will guide you through the process. In some cases, we might be able to assist you remotely. A member of our Tech Support Team can connect to your device and diagnose and potentially fix the issue for you.
If we are unable to fix the device remotely, we will provide you with the details to return your device to us.

- Faults covered by technical defects

- Accidental damage
- Liquid damage
- Damage to screens
- Damage to surrounds, facias, lids or keyboards
- Issues caused by any modifications of the internal or externals of the device
- Issues as a result of third party software
- Any parts or components added since the item was purchased
All our Desktops are thoroughly tested and refurbished by our in-house technicians. Our product grades are…

“A Fully Working Machine With Minimal Marks Or Damage”
May have light cosmetic marks or scratches, barely noticeable
May have light cosmetic marks or scratches, barely noticeable
In full working order. Might have light cosmetic marks or scratches, barely noticeable

“A small reduction in finish for a big reduction in price”
May have some marks or scratches. Rubber feet may be missing
May have light marks or scatches which are not visible when turned on
In full working order. May have some signs of use

“A small reduction in finish for a big reduction in price”
May have some marks or scratches. Rubber feet may be missing
Will have marks or scratches on the screen, barely visible when turned on
In full working order. May have some signs of use

“A small reduction in finish for a big reduction in price”
May have some visible signs of use, with marks, scratches or dents. Rubber feet may be missing
May have major marks or scratches on the screen
May have some cosmetic damage and signs of use
Refurbished Apple MacBook Pro (27-inch, Mid-2017) [Marked Casing]
Apple Model No: A1419 (EMC 3070)
Model ID: iMac18,3
Apple Order No: MNED2LL/A
The iMac "Core i5" 3.8 27-Inch Aluminum (Retina 5K, Mid-2017/Kaby Lake) features a 14-nm "Kaby Lake" 3.8 GHz Intel "Core i5" processor (7600K) with four independent processor "cores" on a single chip, a 6 MB shared level 3 cache, 32GB of 2400 MHz DDR4 SDRAM, a 512GB NVMe SSD "Fusion" drive, and a Radeon Pro 580 graphics processor with 8 GB of dedicated VRAM. It also has a built-in "FaceTime HD" webcam and stereo speakers.
This model has a 27" 5120x2880 LED-backlit 16:9 widescreen IPS DCI-P3 "Retina 5K" display. The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.
Connectivity includes four USB 3.0 ports, dual Thunderbolt 3 (USB-C) ports, Gigabit Ethernet, 802.11ac Wi-Fi, and Bluetooth 4.2.
Compared to its predecessor, this model essentially has the same external enclosure, but it has a more advanced processor and architecture, a much faster video card, a brighter display, and Thunderbolt 3 (USB-C) ports.

Cracking Down On Carbon Emissions
At Tier1 sustainability is at the core of everything we do. We are a UK based re-commerce business, refurbishing, reusing and recycling IT equipment, such as laptops, desktops & monitors.