Avem peste 6.000.000 de produse de la magazine si vanzatori profesionisti in Okazii.ro Marketplace
Cos cumparaturi
Favorite
Ai nevoie de ajutor ?
Catalog produse
Sisteme server
 
 

Ddr3 in Sisteme server

(1009 oferte)
Seteaza alerta
Sorteaza Ddr3 in Sisteme server dupa:
Vizualizeaza ca: Afisare Lista Afisare galerie
-4%
Cumpara ieftin Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 960 GB SSD ENTERPRIS

Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 960 GB SSD ENTERPRIS

9.761,18 Lei 9.350,75 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 4 Core Xeon E-2224 3.4 GHz up to 4.6 GHz; 32 GB DDR3 ECC; 2 x 600 GB HDD SAS; 12 Luni

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 4 Core Xeon E-2224 3.4 GHz up to 4.6 GHz; 32 GB DDR3 ECC; 2 x 600 GB HDD SAS; 12 Luni

4.788,48 Lei 4.587,80 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 16 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRIS

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 16 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRIS

7.093,29 Lei 6.794,69 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 16 GB DDR3 ECC; 4 x 1.92 TB SSD ENTERPRI

Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 16 GB DDR3 ECC; 4 x 1.92 TB SSD ENTERPRI

31.706,68 Lei 30.374,40 Lei
Livrare gratuita la 5 produse comandate

Cautari similare

-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 2 TB SSD SAMSUNG EVO

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 2 TB SSD SAMSUNG EVO

9.390,04 Lei 8.995,93 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 32 GB DDR3 ECC; 2 x 600 GB HDD SAS; 12

Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 32 GB DDR3 ECC; 2 x 600 GB HDD SAS; 12

3.793,40 Lei 3.634,08 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 16 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRIS

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 16 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRIS

7.165,91 Lei 6.864,75 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2620 V2 2.1 GHz up to 2.6 GHz; 16 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRIS

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2620 V2 2.1 GHz up to 2.6 GHz; 16 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRIS

7.079,85 Lei 6.782,26 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 600 GB HDD SAS; 12 L

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 600 GB HDD SAS; 12 L

3.623,97 Lei 3.471,36 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2667 V2 3.3 GHz up to 4.0 GHz; 32 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO

Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2667 V2 3.3 GHz up to 4.0 GHz; 32 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO

15.739,71 Lei 15.078,72 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 16 GB DDR3 ECC; Fara Hard Disk; 12 Luni

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 16 GB DDR3 ECC; Fara Hard Disk; 12 Luni

3.133,15 Lei 3.001,28 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 4 Core Xeon E-2224 3.4 GHz up to 4.6 GHz; 16 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO NOU

Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 4 Core Xeon E-2224 3.4 GHz up to 4.6 GHz; 16 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO NOU

16.998,35 Lei 16.284,43 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 16 GB DDR3 ECC; Fara Hard Disk; 12 Luni

Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 16 GB DDR3 ECC; Fara Hard Disk; 12 Luni

2.568,38 Lei 2.460,01 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2620 V2 2.1 GHz up to 2.6 GHz; 32 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2620 V2 2.1 GHz up to 2.6 GHz; 32 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO

16.223,81 Lei 15.542,02 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 200 GB SSD ENTERPRIS

Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 200 GB SSD ENTERPRIS

3.917,11 Lei 3.752,73 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 200 GB SSD ENTERPRI

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 200 GB SSD ENTERPRI

4.411,96 Lei 4.226,20 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 16 GB DDR3 ECC; 4 x 600 GB HDD SAS; 12 L

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 16 GB DDR3 ECC; 4 x 600 GB HDD SAS; 12 L

3.978,97 Lei 3.811,49 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 4 Core Xeon E-2224 3.4 GHz up to 4.6 GHz; 16 GB DDR3 ECC; Fara Hard Disk; 12 Luni Gara

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 4 Core Xeon E-2224 3.4 GHz up to 4.6 GHz; 16 GB DDR3 ECC; Fara Hard Disk; 12 Luni Gara

3.805,50 Lei 3.645,38 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 32 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO NO

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 32 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO NO

16.022,10 Lei 15.348,79 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 4 x 480 GB SSD ENTERPRIS

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 4 x 480 GB SSD ENTERPRIS

11.845,46 Lei 11.347,46 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 32 GB DDR3 ECC; 4 x 480 GB SSD ENTERPRIS

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 32 GB DDR3 ECC; 4 x 480 GB SSD ENTERPRIS

11.772,85 Lei 11.278,53 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 2 TB SSD SAMSUNG EVO

Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 2 TB SSD SAMSUNG EVO

9.390,04 Lei 8.995,93 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2667 V2 3.3 GHz up to 4.0 GHz; 32 GB DDR3 ECC; 4 x 960 GB SSD ENTERPRIS

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2667 V2 3.3 GHz up to 4.0 GHz; 32 GB DDR3 ECC; 4 x 960 GB SSD ENTERPRIS

15.836,53 Lei 15.171,38 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 2 x 960 GB SSD ENTERPRISE N

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 2 x 960 GB SSD ENTERPRISE N

8.997,39 Lei 8.619,64 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 1.92 TB SSD ENTERPRISE

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 1.92 TB SSD ENTERPRISE

31.741,64 Lei 30.408,30 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2667 V2 3.3 GHz up to 4.0 GHz; 32 GB DDR3 ECC; Fara Hard Disk; 12 Luni

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2667 V2 3.3 GHz up to 4.0 GHz; 32 GB DDR3 ECC; Fara Hard Disk; 12 Luni

2.546,86 Lei 2.439,67 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 32 GB DDR3 ECC; 2 x 200 GB SSD ENTERPRISE;

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 32 GB DDR3 ECC; 2 x 200 GB SSD ENTERPRISE;

3.306,62 Lei 3.167,39 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EV

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EV

16.326,00 Lei 15.640,33 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 1 TB SSD SAMSUNG EVO NO

Server Dell PowerEdge R620, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 1 TB SSD SAMSUNG EVO NO

10.016,67 Lei 9.595,96 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 480 GB SSD ENTERPRISE N

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 480 GB SSD ENTERPRISE N

11.727,13 Lei 11.234,46 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRIS

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2630 V2 2.6 GHz up to 3.1 GHz; 32 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRIS

7.319,20 Lei 7.011,65 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 600 GB HDD SAS; 12 Luni

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 6 Core Xeon E5-2640 2.5 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 4 x 600 GB HDD SAS; 12 Luni

3.368,47 Lei 3.227,28 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2667 V2 3.3 GHz up to 4.0 GHz; 16 GB DDR3 ECC; 2 x 1.92 TB SSD ENTERPRI

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2667 V2 3.3 GHz up to 4.0 GHz; 16 GB DDR3 ECC; 2 x 1.92 TB SSD ENTERPRI

17.248,47 Lei 16.523,99 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRI

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 10 Core Xeon E5-2660 V2 2.2 GHz up to 3.0 GHz; 16 GB DDR3 ECC; 2 x 480 GB SSD ENTERPRI

7.658,07 Lei 7.335,96 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 16 GB DDR3 ECC; 2 x 600 GB HDD SAS; 12 L

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 16 GB DDR3 ECC; 2 x 600 GB HDD SAS; 12 L

3.398,06 Lei 3.255,53 Lei
Livrare gratuita la 5 produse comandate
-4%
Cumpara ieftin Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 16 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO

Server Dell PowerEdge R720, 8 Bay 2.5 inch, 2 Procesoare, Intel 8 Core Xeon E5-2640 V2 2.0 GHz up to 2.5 GHz; 16 GB DDR3 ECC; 4 x 2 TB SSD SAMSUNG EVO

16.083,96 Lei 15.408,68 Lei
Livrare gratuita la 5 produse comandate

Cautari similare


Linkuri utile

Ar putea sa te intereseze

Istoricul tau de navigare

  • Protectii praguri auto ORACAL, Trabant, 4 buc., autocolant, 58x4.5cm + 38x4.5cm
  • Vrajitorul - Edgar Wallace - Realitatea, 1991, Politist, Romana, Buna
  • RADU THEODORU - SOS PUHOAIELE
  • Cleste varf ascutit 160mm Cod:40013
Continut

Magazine.Okazii.ro

  • Acces la mii de cumparatori
  • Fara limita de produse puse in vanzare
  • Platesti doar daca vinzi
Deschide-ti magazin - Okazii.ro