Sorry, the Samsung Galaxy A51 5G comes standard with 4GB RAM at the factory, not 6GB RAM.

Samsung Galaxy A51 5GSpecifications

Procesador

CPU: Octa-Core, 2.2GHz, 1.8GHz.

Display

Size (Main_Display): 164.0mm (6.5" full rectangle) / 160.9mm (6.3" rounded corners).
Resolution (Main Display): 1080 x 2400 (FHD+).
Technology (Main Display): Super AMOLED.
Colour Depth (Main Display): 16M.

Cámara

Rear Camera – Resolution (Multiple): 48.0 MP + 12.0 MP + 5.0 MP + 5.0 MP.
Rear Camera – F Number (Multiple): F2.0 , F2.2 , F2.2 , F2.4.
Rear Camera – Auto Focus: Yes

Front Camera – Resolution: 32.0 MP.
Front Camera – F Number: F2.2
Video Recording Resolution: UHD 4K (3840 x 2160) @30fps

Storage

Memory: 6Gb.
Storage: 128Gb.
Available Storage: 105.3gb
External Storage Support: MicroSD (Up to 1TB).

Network

Number of SIM: Dual-SIM.
SIM size: Nano-SIM (4FF).
SIM Slot Type: SIM 1 + Hybrid (SIM or MicroSD).

Infra: 2G GSM, 3G WCDMA, 4G LTE FDD, 4G LTE TDD, 5G Sub6 TDD

2G GSM: GSM850, GSM900, DCS1800, PCS1900.
3G UMTS: B1(2100), B2(1900), B5(850), B8(900).

4G FDD LTE:
B1(2100), B3(1800), B4(AWS), B5(850), B7(2600), B8(900), B12(700), B20(800), B28(700).

4G TDD LTE: B38(2600), B40(2300), B41(2500).

5G TDD Sub6: N41(2500), N78(3500).

Conectividad

USB Interface: USB Type-C.
USB Version: USB 2.0.
Location Technology: GPS, Glonass, Beidou, Galileo.
Earjack: 3.5mm Stereo.
Wi-Fi: 802.11 a/b/g/n/ac 2.4G+5GHz, VHT80.
Bluetooth Version: Bluetooth v5.0.
NFC: Yes.

Batería

Battery Capacity (mAh, Typical): 4500.
Removable: No.

Physical specification

Dimension (HxWxD, mm): 158.9 x 73.6 x 8.7
Weight (g): 187.

4G FDD LTE: