Apple iMac A1312 27" 2560x1440 Quad-HD TFT-LCD Widescreen Screen Display Panel 661-6615 LM270WQ1 (SD)(E3).Apple Part Number: 661-6615LG Model Number: LM270WQ1LG Part Number: LM270WQ1 (SD)(E3) LM270WQ1-SDE3Compatible Part Numbers: 6091L-1050JCompatible Models: Apple iMac A1312 (MC813LL/A)Specifications:Diagonal Size 27.0 inchType a-Si TFT-LCD, LCMResolution 2560×1440 (RGB) [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)Luminance 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 16.7M (sRGB)Light Source WLED [6 strings]Frame Rate 60HzInterface Type 36 pins, eDP (4 Lanes) , ConnectorIncluded:- 593-1353-A LCD LED Display Screen Power Cable- 593-1028-A Eathtek LCD LVDS Screen Display Flex Cable- 593-1385-A V-Sync / Temperature Sensor Cable- LED Backlight Cable- LM270WQ1 (SD)(E3) display panel