Apple iMac A1312 27" 2560x1440 Quad-HD TFT-LCD Widescreen Display Panel 661-5568 LM270WQ1 (SD)(C1).Apple Part Number: 661-5568LG Model Number: LM270WQ1LG Part Number: LM270WQ1 (SD)(C1) LM270WQ1-SDC1Compatible Part Numbers: 6091L-1050FCompatible Models: Apple iMac A1312 (MC510LL/A)Specifications:Diagonal Size 27.0 inchType a-Si TFT-LCD, LCMResolution 2560(RGB)×1440 [Quad-HD]Configuration RGB Vertical StripeActive Area 596.736(H)×335.664(V)mmOutline Dim. 630(H)×376.13(V) ×22.3(D)mmBezel Area 601.7(H)×340.7(V)mmTreatment Glare (Haze 0%), Hard coating (2H), AntireflectionLuminance 420 cd/m² (Typ.)Contrast Ratio 1000:1 (Typ.)(TM) Response Time 6.5/7.5ms (Typ.)(Tr/Td)Viewing Angle 89/89/89/89 (Typ.)(CR≥10)Operating Mode H-IPS, Normally Black, TransmissiveColor Support 1.07B (sRGB)Light Source WLED [6 strings]Frame Rate 60HzInterface Type 30 pins eDP (4 Lanes) , ConnectorIncluded:- 593-1209-A Tempurature Sensor Cable- LED Backlight Cable- LM270WQ1 (SD)(C1) display panel Bottom right side of the screen has small scuffs and scratches, but the LCD has been tested and functions as intended.