M1Y7N / NHXVW / P8TC7 /P9TJ0 / PRRRF / RU485 / T54F3 / T54FJ / UJ499. YKF0M / X57F1 / R48V3 / 8P3YX / M5Y0X / 312-1163 / 312-1164 / 312-1242. DELL Latitude E5420 E5430 E5520 E5530 E6420 E6430 E6440 E6520 E6530 E6540 Series.
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