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This listing is for a Genuine Apple iMac 27-inch (Mid 2011) Logic Board,
featuring an Intel Core i7 3.4GHz Quad-Core processor (model i7-2600).
Apple Part Number 661-5950, Logic Board Number 820-2828-A.
The board has been professionally tested and inspected to ensure flawless performance.
Ideal for replacing a faulty or non-working logic board.
Brand: Apple
Model: iMac 27-inch (Mid 2011)
Processor: Intel Core i7-2600 Quad-Core @ 3.4GHz
Graphics Supported: AMD Radeon HD 6770M / 6970M (depending on configuration)
Apple Part Number: 661-5950
Logic Board Number: 820-2828-A
Memory Type: DDR3 SDRAM (4 Slots, up to 32GB supported)
Ports:
4x USB 2.0
1x FireWire 800
1x Thunderbolt
1x Gigabit Ethernet
1x Audio In/Out
1x SDXC Card Slot
Condition: Used, Cleaned, Fully Tested
Compatible Models:
iMac (27-inch, Mid 2011) — Model A1312, EMC 2429
Apple Compatible Part Numbers:
661-5950
820-2828-A
820-2828-B
✅ Compatible with configurations using i7-2600 and AMD Radeon HD graphics cards.
Logic board and Processor only (no CPU fan, GPU, or heatsink included).
Tested for video output, RAM slots, and all port functions.
Professionally cleaned and inspected before shipment.
Every part is covered by our 90-day limited hardware warranty against defects in materials and workmanship. If anything goes wrong under normal use, we’ll repair, replace, or refund it.
To start a claim, email support@nextgenpcparts.com with your order number. Full details in our Terms & Conditions.
Orders ship within 1 business day. Most parts under 2 lbs go via USPS; larger items ship FedEx or UPS. Shipping is calculated at checkout.
Not the right fit? Free 30-day returns on defective items with a prepaid label. Contact us and we’ll take care of it.
Every order ships within 1 business day
30-day return policy for your peace of mind
All products covered by the NextGenPCParts warranty
Real people, replies within 24 hours