Apple iMac 27" A1419 2015 5K Retina LCD Display LM270QQ1 SD B1 – Grade A+/A-/B/C

This listing is for a 100% Genuine Apple 27-inch 5K Retina LCD Display Panel, model LM270QQ1 (SD)(B1), used in the iMac A1419 2015.

All panels undergo complete functionality testing, including:

• Backlight uniformity

• Color and contrast accuracy

• Brightness levels

• Pixel integrity

• Resolution test at full 5K output

Regardless of cosmetic grade, all units are fully functional.

Some units may show minor or moderate surface marks from normal handling or previous cleaning.
These marks are on the outer surface only and do not affect image quality once the screen is lit.

✨ Condition Variations (Select at Checkout):

🟩 Grade A+ (Excellent – Near Mint)

• Very minimal or no visible cosmetic marks

• No scratches or only micro hairline marks not noticeable when off

• Zero dents/chips/cracks or edge wear

• Best overall cosmetic appearance

🟦 Grade A- (Very Good)

• Light surface scratches or cleaning marks

• Minor edge wear possible

• Marks are not visible when the screen is lit

• No dents/chips/cracks or structural imperfections

🟧 Grade B (Good)

• Moderate scratches, light surface marks, or mild anti-glare wear

• Possible light bezel wear

• All marks remain invisible when screen is powered on

• Fully functional; no internal defects

🟥 Grade C (Fair)

• Noticeable scratches, coating wear, or heavier surface blemishes

• May include discoloration, sticker residue, or outer coating wear

• Marks are still not visible when the screen is lit

• 100% fully functional; no lines, no dead pixels, no cracks

⚙️ Specifications:

• Brand: Apple OEM (LG Display)

• Panel Model: LM270QQ1 (SD)(B1)

• Size: 27-inch

• Resolution: 5120 × 2880 (5K Retina)

• Type: IPS LED

• Brightness: 450 nits

• Color Gamut: Wide Color (P3)

• Condition: Used – Fully Functional

🔧 Compatibility:

Compatible with:

iMac 27-inch Retina 5K – A1419

• Late 2015

EMC compatibility:

• EMC 2834

Not compatible with:

• iMac 27-inch 2014/2017/2019 

📝 Notes:

• Marks vary based on selected grade.

• All grades are function-tested and have no internal display defects.

• Professional installation recommended.

• Ensure your panel is LM270QQ1 series for compatibility.